66745497

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{659}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 113762880

約数和(自身を除く): 47017383

約数列:

[1, 3, 7, 13, 21, 39, 49, 53, 91, 147, 159, 273, 371, 637, 659, 689, 1113, 1911, 1977, 2067, 2597, 4613, 4823, 7791, 8567, 13839, 14469, 25701, 32291, 33761, 34927, 59969, 96873, 101283, 104781, 179907, 244489, 419783, 454051, 733467, 1259349, 1362153, 1711423, 3178357, 5134269, 9535071, 22248499, 66745497]

約数ペア:

[(1, 66745497), (3, 22248499), (7, 9535071), (13, 5134269), (21, 3178357), (39, 1711423), (49, 1362153), (53, 1259349), (91, 733467), (147, 454051), (159, 419783), (273, 244489), (371, 179907), (637, 104781), (659, 101283), (689, 96873), (1113, 59969), (1911, 34927), (1977, 33761), (2067, 32291), (2597, 25701), (4613, 14469), (4823, 13839), (7791, 8567)]