1988421375

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{171047}}^1$

素因数の和:171096

約数の個数: 32

約数和(自身を含む): 3415486464

約数和(自身を除く): 1427065089

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 125, 155, 375, 465, 775, 2325, 3875, 11625, 171047, 513141, 855235, 2565705, 4276175, 5302457, 12828525, 15907371, 21380875, 26512285, 64142625, 79536855, 132561425, 397684275, 662807125, 1988421375]

約数ペア:

[(1, 1988421375), (3, 662807125), (5, 397684275), (15, 132561425), (25, 79536855), (31, 64142625), (75, 26512285), (93, 21380875), (125, 15907371), (155, 12828525), (375, 5302457), (465, 4276175), (775, 2565705), (2325, 855235), (3875, 513141), (11625, 171047)]