7864965

素因数分解:

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

素因数の和:203

約数の個数: 64

約数和(自身を含む): 15552000

約数和(自身を除く): 7687035

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 85, 115, 135, 149, 153, 207, 255, 345, 391, 447, 459, 621, 745, 765, 1035, 1173, 1341, 1955, 2235, 2295, 2533, 3105, 3427, 3519, 4023, 5865, 6705, 7599, 10281, 10557, 12665, 17135, 17595, 20115, 22797, 30843, 37995, 51405, 52785, 58259, 68391, 92529, 113985, 154215, 174777, 291295, 341955, 462645, 524331, 873885, 1572993, 2621655, 7864965]

約数ペア:

[(1, 7864965), (3, 2621655), (5, 1572993), (9, 873885), (15, 524331), (17, 462645), (23, 341955), (27, 291295), (45, 174777), (51, 154215), (69, 113985), (85, 92529), (115, 68391), (135, 58259), (149, 52785), (153, 51405), (207, 37995), (255, 30843), (345, 22797), (391, 20115), (447, 17595), (459, 17135), (621, 12665), (745, 10557), (765, 10281), (1035, 7599), (1173, 6705), (1341, 5865), (1955, 4023), (2235, 3519), (2295, 3427), (2533, 3105)]