40397553

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{33749}}^1$

素因数の和:33781

約数の個数: 24

約数和(自身を含む): 70200000

約数和(自身を除く): 29802447

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 33749, 101247, 236243, 303741, 641231, 708729, 1923693, 2126187, 4488617, 5771079, 13465851, 40397553]

約数ペア:

[(1, 40397553), (3, 13465851), (7, 5771079), (9, 4488617), (19, 2126187), (21, 1923693), (57, 708729), (63, 641231), (133, 303741), (171, 236243), (399, 101247), (1197, 33749)]