321552015

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{4229}}^1$

素因数の和:4411

約数の個数: 32

約数和(自身を含む): 532370880

約数和(自身を除く): 210818865

約数列:

[1, 3, 5, 15, 37, 111, 137, 185, 411, 555, 685, 2055, 4229, 5069, 12687, 15207, 21145, 25345, 63435, 76035, 156473, 469419, 579373, 782365, 1738119, 2347095, 2896865, 8690595, 21436801, 64310403, 107184005, 321552015]

約数ペア:

[(1, 321552015), (3, 107184005), (5, 64310403), (15, 21436801), (37, 8690595), (111, 2896865), (137, 2347095), (185, 1738119), (411, 782365), (555, 579373), (685, 469419), (2055, 156473), (4229, 76035), (5069, 63435), (12687, 25345), (15207, 21145)]