12187725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 23748480

約数和(自身を除く): 11560755

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 79, 85, 121, 165, 187, 237, 255, 275, 363, 395, 425, 561, 605, 825, 869, 935, 1185, 1275, 1343, 1815, 1975, 2057, 2607, 2805, 3025, 4029, 4345, 4675, 5925, 6171, 6715, 9075, 9559, 10285, 13035, 14025, 14773, 20145, 21725, 28677, 30855, 33575, 44319, 47795, 51425, 65175, 73865, 100725, 143385, 154275, 162503, 221595, 238975, 369325, 487509, 716925, 812515, 1107975, 2437545, 4062575, 12187725]

約数ペア:

[(1, 12187725), (3, 4062575), (5, 2437545), (11, 1107975), (15, 812515), (17, 716925), (25, 487509), (33, 369325), (51, 238975), (55, 221595), (75, 162503), (79, 154275), (85, 143385), (121, 100725), (165, 73865), (187, 65175), (237, 51425), (255, 47795), (275, 44319), (363, 33575), (395, 30855), (425, 28677), (561, 21725), (605, 20145), (825, 14773), (869, 14025), (935, 13035), (1185, 10285), (1275, 9559), (1343, 9075), (1815, 6715), (1975, 6171), (2057, 5925), (2607, 4675), (2805, 4345), (3025, 4029)]