138066375

素因数分解:

$3^1\times 5^3\times {\mathrm{557}}^1\times {\mathrm{661}}^1$

素因数の和:1236

約数の個数: 32

約数和(自身を含む): 230503104

約数和(自身を除く): 92436729

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 557, 661, 1671, 1983, 2785, 3305, 8355, 9915, 13925, 16525, 41775, 49575, 69625, 82625, 208875, 247875, 368177, 1104531, 1840885, 5522655, 9204425, 27613275, 46022125, 138066375]

約数ペア:

[(1, 138066375), (3, 46022125), (5, 27613275), (15, 9204425), (25, 5522655), (75, 1840885), (125, 1104531), (375, 368177), (557, 247875), (661, 208875), (1671, 82625), (1983, 69625), (2785, 49575), (3305, 41775), (8355, 16525), (9915, 13925)]