1813347

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:440

約数の個数: 20

約数和(自身を含む): 2760736

約数和(自身を除く): 947389

約数列:

[1, 3, 9, 27, 61, 81, 183, 367, 549, 1101, 1647, 3303, 4941, 9909, 22387, 29727, 67161, 201483, 604449, 1813347]

約数ペア:

[(1, 1813347), (3, 604449), (9, 201483), (27, 67161), (61, 29727), (81, 22387), (183, 9909), (367, 4941), (549, 3303), (1101, 1647)]