291003705

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 590976000

約数和(自身を除く): 299972295

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 37, 45, 51, 69, 85, 111, 115, 135, 149, 153, 185, 207, 255, 333, 345, 391, 447, 459, 555, 621, 629, 745, 765, 851, 999, 1035, 1173, 1341, 1665, 1887, 1955, 2235, 2295, 2533, 2553, 3105, 3145, 3427, 3519, 4023, 4255, 4995, 5513, 5661, 5865, 6705, 7599, 7659, 9435, 10281, 10557, 12665, 12765, 14467, 16539, 16983, 17135, 17595, 20115, 22797, 22977, 27565, 28305, 30843, 37995, 38295, 43401, 49617, 51405, 52785, 58259, 68391, 72335, 82695, 84915, 92529, 93721, 113985, 114885, 126799, 130203, 148851, 154215, 174777, 217005, 248085, 281163, 291295, 341955, 380397, 390609, 462645, 468605, 524331, 633995, 651015, 744255, 843489, 873885, 1141191, 1405815, 1572993, 1901985, 1953045, 2155583, 2530467, 2621655, 3423573, 4217445, 5705955, 6466749, 7864965, 10777915, 12652335, 17117865, 19400247, 32333745, 58200741, 97001235, 291003705]

約数ペア:

[(1, 291003705), (3, 97001235), (5, 58200741), (9, 32333745), (15, 19400247), (17, 17117865), (23, 12652335), (27, 10777915), (37, 7864965), (45, 6466749), (51, 5705955), (69, 4217445), (85, 3423573), (111, 2621655), (115, 2530467), (135, 2155583), (149, 1953045), (153, 1901985), (185, 1572993), (207, 1405815), (255, 1141191), (333, 873885), (345, 843489), (391, 744255), (447, 651015), (459, 633995), (555, 524331), (621, 468605), (629, 462645), (745, 390609), (765, 380397), (851, 341955), (999, 291295), (1035, 281163), (1173, 248085), (1341, 217005), (1665, 174777), (1887, 154215), (1955, 148851), (2235, 130203), (2295, 126799), (2533, 114885), (2553, 113985), (3105, 93721), (3145, 92529), (3427, 84915), (3519, 82695), (4023, 72335), (4255, 68391), (4995, 58259), (5513, 52785), (5661, 51405), (5865, 49617), (6705, 43401), (7599, 38295), (7659, 37995), (9435, 30843), (10281, 28305), (10557, 27565), (12665, 22977), (12765, 22797), (14467, 20115), (16539, 17595), (16983, 17135)]