31981410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1321}}^1$

素因数の和:1603

約数の個数: 48

約数和(自身を含む): 83523960

約数和(自身を除く): 51542550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 269, 538, 807, 1321, 1345, 1614, 2421, 2642, 2690, 3963, 4035, 4842, 6605, 7926, 8070, 11889, 12105, 13210, 19815, 23778, 24210, 39630, 59445, 118890, 355349, 710698, 1066047, 1776745, 2132094, 3198141, 3553490, 5330235, 6396282, 10660470, 15990705, 31981410]

約数ペア:

[(1, 31981410), (2, 15990705), (3, 10660470), (5, 6396282), (6, 5330235), (9, 3553490), (10, 3198141), (15, 2132094), (18, 1776745), (30, 1066047), (45, 710698), (90, 355349), (269, 118890), (538, 59445), (807, 39630), (1321, 24210), (1345, 23778), (1614, 19815), (2421, 13210), (2642, 12105), (2690, 11889), (3963, 8070), (4035, 7926), (4842, 6605)]