16520865

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 27630720

約数和(自身を除く): 11109855

約数列:

[1, 3, 5, 15, 29, 87, 145, 163, 233, 435, 489, 699, 815, 1165, 2445, 3495, 4727, 6757, 14181, 20271, 23635, 33785, 37979, 70905, 101355, 113937, 189895, 569685, 1101391, 3304173, 5506955, 16520865]

約数ペア:

[(1, 16520865), (3, 5506955), (5, 3304173), (15, 1101391), (29, 569685), (87, 189895), (145, 113937), (163, 101355), (233, 70905), (435, 37979), (489, 33785), (699, 23635), (815, 20271), (1165, 14181), (2445, 6757), (3495, 4727)]