381375

素因数分解:

$3^3\times 5^3\times {\mathrm{113}}^1$

素因数の和:137

約数の個数: 32

約数和(自身を含む): 711360

約数和(自身を除く): 329985

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 113, 125, 135, 225, 339, 375, 565, 675, 1017, 1125, 1695, 2825, 3051, 3375, 5085, 8475, 14125, 15255, 25425, 42375, 76275, 127125, 381375]

約数ペア:

[(1, 381375), (3, 127125), (5, 76275), (9, 42375), (15, 25425), (25, 15255), (27, 14125), (45, 8475), (75, 5085), (113, 3375), (125, 3051), (135, 2825), (225, 1695), (339, 1125), (375, 1017), (565, 675)]