56231325

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 108839016

約数和(自身を除く): 52607691

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 61, 75, 85, 153, 183, 225, 241, 255, 305, 425, 549, 723, 765, 915, 1037, 1205, 1275, 1525, 2169, 2745, 3111, 3615, 3825, 4097, 4575, 5185, 6025, 9333, 10845, 12291, 13725, 14701, 15555, 18075, 20485, 25925, 36873, 44103, 46665, 54225, 61455, 73505, 77775, 102425, 132309, 184365, 220515, 233325, 249917, 307275, 367525, 661545, 749751, 921825, 1102575, 1249585, 2249253, 3307725, 3748755, 6247925, 11246265, 18743775, 56231325]

約数ペア:

[(1, 56231325), (3, 18743775), (5, 11246265), (9, 6247925), (15, 3748755), (17, 3307725), (25, 2249253), (45, 1249585), (51, 1102575), (61, 921825), (75, 749751), (85, 661545), (153, 367525), (183, 307275), (225, 249917), (241, 233325), (255, 220515), (305, 184365), (425, 132309), (549, 102425), (723, 77775), (765, 73505), (915, 61455), (1037, 54225), (1205, 46665), (1275, 44103), (1525, 36873), (2169, 25925), (2745, 20485), (3111, 18075), (3615, 15555), (3825, 14701), (4097, 13725), (4575, 12291), (5185, 10845), (6025, 9333)]