78826839

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 140192640

約数和(自身を除く): 61365801

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 167, 169, 247, 273, 399, 501, 507, 637, 741, 931, 1169, 1183, 1729, 1911, 2171, 2793, 3173, 3211, 3507, 3549, 5187, 6513, 8183, 8281, 9519, 9633, 12103, 15197, 22211, 22477, 24549, 24843, 28223, 36309, 41249, 45591, 66633, 67431, 84669, 106379, 123747, 155477, 157339, 197561, 288743, 319137, 466431, 472017, 536237, 592683, 866229, 1382927, 1608711, 2021201, 3753659, 4148781, 6063603, 11260977, 26275613, 78826839]

約数ペア:

[(1, 78826839), (3, 26275613), (7, 11260977), (13, 6063603), (19, 4148781), (21, 3753659), (39, 2021201), (49, 1608711), (57, 1382927), (91, 866229), (133, 592683), (147, 536237), (167, 472017), (169, 466431), (247, 319137), (273, 288743), (399, 197561), (501, 157339), (507, 155477), (637, 123747), (741, 106379), (931, 84669), (1169, 67431), (1183, 66633), (1729, 45591), (1911, 41249), (2171, 36309), (2793, 28223), (3173, 24843), (3211, 24549), (3507, 22477), (3549, 22211), (5187, 15197), (6513, 12103), (8183, 9633), (8281, 9519)]