27686490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70991}}^1$

素因数の和:71014

約数の個数: 32

約数和(自身を含む): 71559936

約数和(自身を除く): 43873446

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 70991, 141982, 212973, 354955, 425946, 709910, 922883, 1064865, 1845766, 2129730, 2768649, 4614415, 5537298, 9228830, 13843245, 27686490]

約数ペア:

[(1, 27686490), (2, 13843245), (3, 9228830), (5, 5537298), (6, 4614415), (10, 2768649), (13, 2129730), (15, 1845766), (26, 1064865), (30, 922883), (39, 709910), (65, 425946), (78, 354955), (130, 212973), (195, 141982), (390, 70991)]