81238245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{4517}}^1$

素因数の和:4645

約数の個数: 32

約数和(自身を含む): 143130240

約数和(自身を除く): 61891995

約数列:

[1, 3, 5, 11, 15, 33, 55, 109, 165, 327, 545, 1199, 1635, 3597, 4517, 5995, 13551, 17985, 22585, 49687, 67755, 149061, 248435, 492353, 745305, 1477059, 2461765, 5415883, 7385295, 16247649, 27079415, 81238245]

約数ペア:

[(1, 81238245), (3, 27079415), (5, 16247649), (11, 7385295), (15, 5415883), (33, 2461765), (55, 1477059), (109, 745305), (165, 492353), (327, 248435), (545, 149061), (1199, 67755), (1635, 49687), (3597, 22585), (4517, 17985), (5995, 13551)]