28017405

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1019}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 53464320

約数和(自身を除く): 25446915

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 117, 141, 195, 235, 423, 585, 611, 705, 1019, 1833, 2115, 3055, 3057, 5095, 5499, 9165, 9171, 13247, 15285, 27495, 39741, 45855, 47893, 66235, 119223, 143679, 198705, 239465, 431037, 596115, 622609, 718395, 1867827, 2155185, 3113045, 5603481, 9339135, 28017405]

約数ペア:

[(1, 28017405), (3, 9339135), (5, 5603481), (9, 3113045), (13, 2155185), (15, 1867827), (39, 718395), (45, 622609), (47, 596115), (65, 431037), (117, 239465), (141, 198705), (195, 143679), (235, 119223), (423, 66235), (585, 47893), (611, 45855), (705, 39741), (1019, 27495), (1833, 15285), (2115, 13247), (3055, 9171), (3057, 9165), (5095, 5499)]