31140945

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1187}}^1$

素因数の和:1262

約数の個数: 48

約数和(自身を含む): 60046272

約数和(自身を除く): 28905327

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 53, 55, 99, 159, 165, 265, 477, 495, 583, 795, 1187, 1749, 2385, 2915, 3561, 5247, 5935, 8745, 10683, 13057, 17805, 26235, 39171, 53415, 62911, 65285, 117513, 188733, 195855, 314555, 566199, 587565, 692021, 943665, 2076063, 2830995, 3460105, 6228189, 10380315, 31140945]

約数ペア:

[(1, 31140945), (3, 10380315), (5, 6228189), (9, 3460105), (11, 2830995), (15, 2076063), (33, 943665), (45, 692021), (53, 587565), (55, 566199), (99, 314555), (159, 195855), (165, 188733), (265, 117513), (477, 65285), (495, 62911), (583, 53415), (795, 39171), (1187, 26235), (1749, 17805), (2385, 13057), (2915, 10683), (3561, 8745), (5247, 5935)]