163852575

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 295540608

約数和(自身を除く): 131688033

約数列:

[1, 3, 5, 15, 23, 25, 43, 47, 69, 75, 115, 129, 141, 215, 235, 345, 575, 645, 705, 989, 1075, 1081, 1175, 1725, 2021, 2209, 2967, 3225, 3243, 3525, 4945, 5405, 6063, 6627, 10105, 11045, 14835, 16215, 24725, 27025, 30315, 33135, 46483, 50525, 50807, 55225, 74175, 81075, 94987, 139449, 151575, 152421, 165675, 232415, 254035, 284961, 474935, 697245, 762105, 1162075, 1270175, 1424805, 2184701, 2374675, 3486225, 3810525, 6554103, 7124025, 10923505, 32770515, 54617525, 163852575]

約数ペア:

[(1, 163852575), (3, 54617525), (5, 32770515), (15, 10923505), (23, 7124025), (25, 6554103), (43, 3810525), (47, 3486225), (69, 2374675), (75, 2184701), (115, 1424805), (129, 1270175), (141, 1162075), (215, 762105), (235, 697245), (345, 474935), (575, 284961), (645, 254035), (705, 232415), (989, 165675), (1075, 152421), (1081, 151575), (1175, 139449), (1725, 94987), (2021, 81075), (2209, 74175), (2967, 55225), (3225, 50807), (3243, 50525), (3525, 46483), (4945, 33135), (5405, 30315), (6063, 27025), (6627, 24725), (10105, 16215), (11045, 14835)]