31677009

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 56770560

約数和(自身を除く): 25093551

約数列:

[1, 3, 7, 13, 19, 21, 31, 39, 57, 91, 93, 133, 197, 217, 247, 273, 399, 403, 589, 591, 651, 741, 1209, 1379, 1729, 1767, 2561, 2821, 3743, 4123, 4137, 5187, 6107, 7657, 7683, 8463, 11229, 12369, 17927, 18321, 22971, 26201, 42749, 48659, 53599, 53781, 78603, 79391, 116033, 128247, 145977, 160797, 238173, 340613, 348099, 555737, 812231, 1021839, 1508429, 1667211, 2436693, 4525287, 10559003, 31677009]

約数ペア:

[(1, 31677009), (3, 10559003), (7, 4525287), (13, 2436693), (19, 1667211), (21, 1508429), (31, 1021839), (39, 812231), (57, 555737), (91, 348099), (93, 340613), (133, 238173), (197, 160797), (217, 145977), (247, 128247), (273, 116033), (399, 79391), (403, 78603), (589, 53781), (591, 53599), (651, 48659), (741, 42749), (1209, 26201), (1379, 22971), (1729, 18321), (1767, 17927), (2561, 12369), (2821, 11229), (3743, 8463), (4123, 7683), (4137, 7657), (5187, 6107)]