40218915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12829}}^1$

素因数の和:12867

約数の個数: 32

約数和(自身を含む): 73900800

約数和(自身を除く): 33681885

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 12829, 38487, 64145, 141119, 192435, 243751, 423357, 705595, 731253, 1218755, 2116785, 2681261, 3656265, 8043783, 13406305, 40218915]

約数ペア:

[(1, 40218915), (3, 13406305), (5, 8043783), (11, 3656265), (15, 2681261), (19, 2116785), (33, 1218755), (55, 731253), (57, 705595), (95, 423357), (165, 243751), (209, 192435), (285, 141119), (627, 64145), (1045, 38487), (3135, 12829)]