31437875

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 64

約数和(自身を含む): 49520640

約数和(自身を除く): 18082765

約数列:

[1, 5, 7, 19, 25, 31, 35, 61, 95, 125, 133, 155, 175, 217, 305, 427, 475, 589, 665, 775, 875, 1085, 1159, 1525, 1891, 2135, 2375, 2945, 3325, 3875, 4123, 5425, 5795, 7625, 8113, 9455, 10675, 13237, 14725, 16625, 20615, 27125, 28975, 35929, 40565, 47275, 53375, 66185, 73625, 103075, 144875, 179645, 202825, 236375, 251503, 330925, 515375, 898225, 1014125, 1257515, 1654625, 4491125, 6287575, 31437875]

約数ペア:

[(1, 31437875), (5, 6287575), (7, 4491125), (19, 1654625), (25, 1257515), (31, 1014125), (35, 898225), (61, 515375), (95, 330925), (125, 251503), (133, 236375), (155, 202825), (175, 179645), (217, 144875), (305, 103075), (427, 73625), (475, 66185), (589, 53375), (665, 47275), (775, 40565), (875, 35929), (1085, 28975), (1159, 27125), (1525, 20615), (1891, 16625), (2135, 14725), (2375, 13237), (2945, 10675), (3325, 9455), (3875, 8113), (4123, 7625), (5425, 5795)]