31439475

素因数分解:

$3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1057

約数の個数: 48

約数和(自身を含む): 59043840

約数和(自身を除く): 27604365

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 135, 141, 225, 235, 423, 675, 705, 991, 1175, 1269, 2115, 2973, 3525, 4955, 6345, 8919, 10575, 14865, 24775, 26757, 31725, 44595, 46577, 74325, 133785, 139731, 222975, 232885, 419193, 668925, 698655, 1164425, 1257579, 2095965, 3493275, 6287895, 10479825, 31439475]

約数ペア:

[(1, 31439475), (3, 10479825), (5, 6287895), (9, 3493275), (15, 2095965), (25, 1257579), (27, 1164425), (45, 698655), (47, 668925), (75, 419193), (135, 232885), (141, 222975), (225, 139731), (235, 133785), (423, 74325), (675, 46577), (705, 44595), (991, 31725), (1175, 26757), (1269, 24775), (2115, 14865), (2973, 10575), (3525, 8919), (4955, 6345)]