40691205

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31181}}^1$

素因数の和:31221

約数の個数: 24

約数和(自身を含む): 72965880

約数和(自身を除く): 32274675

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 31181, 93543, 155905, 280629, 467715, 904249, 1403145, 2712747, 4521245, 8138241, 13563735, 40691205]

約数ペア:

[(1, 40691205), (3, 13563735), (5, 8138241), (9, 4521245), (15, 2712747), (29, 1403145), (45, 904249), (87, 467715), (145, 280629), (261, 155905), (435, 93543), (1305, 31181)]