18708273

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 29025920

約数和(自身を除く): 10317647

約数列:

[1, 3, 9, 27, 37, 61, 111, 183, 307, 333, 549, 921, 999, 1647, 2257, 2763, 6771, 8289, 11359, 18727, 20313, 34077, 56181, 60939, 102231, 168543, 306693, 505629, 692899, 2078697, 6236091, 18708273]

約数ペア:

[(1, 18708273), (3, 6236091), (9, 2078697), (27, 692899), (37, 505629), (61, 306693), (111, 168543), (183, 102231), (307, 60939), (333, 56181), (549, 34077), (921, 20313), (999, 18727), (1647, 11359), (2257, 8289), (2763, 6771)]