15990885

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3821}}^1$

素因数の和:3866

約数の個数: 32

約数和(自身を含む): 29352960

約数和(自身を除く): 13362075

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 3821, 4185, 11463, 19105, 34389, 57315, 103167, 118451, 171945, 355353, 515835, 592255, 1066059, 1776765, 3198177, 5330295, 15990885]

約数ペア:

[(1, 15990885), (3, 5330295), (5, 3198177), (9, 1776765), (15, 1066059), (27, 592255), (31, 515835), (45, 355353), (93, 171945), (135, 118451), (155, 103167), (279, 57315), (465, 34389), (837, 19105), (1395, 11463), (3821, 4185)]