40685985

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31177}}^1$

素因数の和:31217

約数の個数: 24

約数和(自身を含む): 72956520

約数和(自身を除く): 32270535

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 31177, 93531, 155885, 280593, 467655, 904133, 1402965, 2712399, 4520665, 8137197, 13561995, 40685985]

約数ペア:

[(1, 40685985), (3, 13561995), (5, 8137197), (9, 4520665), (15, 2712399), (29, 1402965), (45, 904133), (87, 467655), (145, 280593), (261, 155885), (435, 93531), (1305, 31177)]