289585569

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{28669}}^1$

素因数の和:28729

約数の個数: 32

約数和(自身を含む): 488078080

約数和(自身を除く): 198492511

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 3367, 10101, 28669, 86007, 200683, 372697, 602049, 1060753, 1118091, 2608879, 3182259, 7425271, 7826637, 13789789, 22275813, 41369367, 96528523, 289585569]

約数ペア:

[(1, 289585569), (3, 96528523), (7, 41369367), (13, 22275813), (21, 13789789), (37, 7826637), (39, 7425271), (91, 3182259), (111, 2608879), (259, 1118091), (273, 1060753), (481, 602049), (777, 372697), (1443, 200683), (3367, 86007), (10101, 28669)]