18081375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3709}}^1$

素因数の和:3740

約数の個数: 32

約数和(自身を含む): 32410560

約数和(自身を除く): 14329185

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 3709, 4875, 11127, 18545, 48217, 55635, 92725, 144651, 241085, 278175, 463625, 723255, 1205425, 1390875, 3616275, 6027125, 18081375]

約数ペア:

[(1, 18081375), (3, 6027125), (5, 3616275), (13, 1390875), (15, 1205425), (25, 723255), (39, 463625), (65, 278175), (75, 241085), (125, 144651), (195, 92725), (325, 55635), (375, 48217), (975, 18545), (1625, 11127), (3709, 4875)]