16861375

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{3137}}^1$

素因数の和:3195

約数の個数: 16

約数和(自身を含む): 21539232

約数和(自身を除く): 4677857

約数列:

[1, 5, 25, 43, 125, 215, 1075, 3137, 5375, 15685, 78425, 134891, 392125, 674455, 3372275, 16861375]

約数ペア:

[(1, 16861375), (5, 3372275), (25, 674455), (43, 392125), (125, 134891), (215, 78425), (1075, 15685), (3137, 5375)]