39613815

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 72034560

約数和(自身を除く): 32420745

約数列:

[1, 3, 5, 9, 15, 31, 45, 73, 93, 155, 219, 279, 365, 389, 465, 657, 1095, 1167, 1395, 1945, 2263, 3285, 3501, 5835, 6789, 11315, 12059, 17505, 20367, 28397, 33945, 36177, 60295, 85191, 101835, 108531, 141985, 180885, 255573, 425955, 542655, 880307, 1277865, 2640921, 4401535, 7922763, 13204605, 39613815]

約数ペア:

[(1, 39613815), (3, 13204605), (5, 7922763), (9, 4401535), (15, 2640921), (31, 1277865), (45, 880307), (73, 542655), (93, 425955), (155, 255573), (219, 180885), (279, 141985), (365, 108531), (389, 101835), (465, 85191), (657, 60295), (1095, 36177), (1167, 33945), (1395, 28397), (1945, 20367), (2263, 17505), (3285, 12059), (3501, 11315), (5835, 6789)]