389750907

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{7247}}^1$

素因数の和:7467

約数の個数: 32

約数和(自身を含む): 642926592

約数和(自身を除く): 253175685

約数列:

[1, 3, 7, 13, 21, 39, 91, 197, 273, 591, 1379, 2561, 4137, 7247, 7683, 17927, 21741, 50729, 53781, 94211, 152187, 282633, 659477, 1427659, 1978431, 4282977, 9993613, 18559567, 29980839, 55678701, 129916969, 389750907]

約数ペア:

[(1, 389750907), (3, 129916969), (7, 55678701), (13, 29980839), (21, 18559567), (39, 9993613), (91, 4282977), (197, 1978431), (273, 1427659), (591, 659477), (1379, 282633), (2561, 152187), (4137, 94211), (7247, 53781), (7683, 50729), (17927, 21741)]