51506775

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 99234720

約数和(自身を除く): 47727945

約数列:

[1, 3, 5, 9, 15, 23, 25, 37, 45, 69, 75, 111, 115, 185, 207, 225, 269, 333, 345, 555, 575, 807, 851, 925, 1035, 1345, 1665, 1725, 2421, 2553, 2775, 4035, 4255, 5175, 6187, 6725, 7659, 8325, 9953, 12105, 12765, 18561, 20175, 21275, 29859, 30935, 38295, 49765, 55683, 60525, 63825, 89577, 92805, 149295, 154675, 191475, 228919, 248825, 278415, 447885, 464025, 686757, 746475, 1144595, 1392075, 2060271, 2239425, 3433785, 5722975, 10301355, 17168925, 51506775]

約数ペア:

[(1, 51506775), (3, 17168925), (5, 10301355), (9, 5722975), (15, 3433785), (23, 2239425), (25, 2060271), (37, 1392075), (45, 1144595), (69, 746475), (75, 686757), (111, 464025), (115, 447885), (185, 278415), (207, 248825), (225, 228919), (269, 191475), (333, 154675), (345, 149295), (555, 92805), (575, 89577), (807, 63825), (851, 60525), (925, 55683), (1035, 49765), (1345, 38295), (1665, 30935), (1725, 29859), (2421, 21275), (2553, 20175), (2775, 18561), (4035, 12765), (4255, 12105), (5175, 9953), (6187, 8325), (6725, 7659)]