51488241

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 81715200

約数和(自身を除く): 30226959

約数列:

[1, 3, 7, 21, 31, 93, 139, 217, 417, 569, 651, 973, 1707, 2919, 3983, 4309, 11949, 12927, 17639, 30163, 52917, 79091, 90489, 123473, 237273, 370419, 553637, 1660911, 2451821, 7355463, 17162747, 51488241]

約数ペア:

[(1, 51488241), (3, 17162747), (7, 7355463), (21, 2451821), (31, 1660911), (93, 553637), (139, 370419), (217, 237273), (417, 123473), (569, 90489), (651, 79091), (973, 52917), (1707, 30163), (2919, 17639), (3983, 12927), (4309, 11949)]