28838205

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 60652800

約数和(自身を除く): 31814595

約数列:

[1, 3, 5, 9, 11, 15, 17, 23, 33, 45, 51, 55, 69, 85, 99, 115, 149, 153, 165, 187, 207, 253, 255, 345, 391, 447, 495, 561, 745, 759, 765, 935, 1035, 1173, 1265, 1341, 1639, 1683, 1955, 2235, 2277, 2533, 2805, 3427, 3519, 3795, 4301, 4917, 5865, 6705, 7599, 8195, 8415, 10281, 11385, 12665, 12903, 14751, 17135, 17595, 21505, 22797, 24585, 27863, 30843, 37697, 37995, 38709, 51405, 58259, 64515, 73755, 83589, 113091, 113985, 139315, 154215, 174777, 188485, 193545, 250767, 291295, 339273, 417945, 524331, 565455, 640849, 873885, 1253835, 1696365, 1922547, 2621655, 3204245, 5767641, 9612735, 28838205]

約数ペア:

[(1, 28838205), (3, 9612735), (5, 5767641), (9, 3204245), (11, 2621655), (15, 1922547), (17, 1696365), (23, 1253835), (33, 873885), (45, 640849), (51, 565455), (55, 524331), (69, 417945), (85, 339273), (99, 291295), (115, 250767), (149, 193545), (153, 188485), (165, 174777), (187, 154215), (207, 139315), (253, 113985), (255, 113091), (345, 83589), (391, 73755), (447, 64515), (495, 58259), (561, 51405), (745, 38709), (759, 37995), (765, 37697), (935, 30843), (1035, 27863), (1173, 24585), (1265, 22797), (1341, 21505), (1639, 17595), (1683, 17135), (1955, 14751), (2235, 12903), (2277, 12665), (2533, 11385), (2805, 10281), (3427, 8415), (3519, 8195), (3795, 7599), (4301, 6705), (4917, 5865)]