1816641

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{1103}}^1$

素因数の和:1173

約数の個数: 16

約数和(自身を含む): 2737920

約数和(自身を除く): 921279

約数列:

[1, 3, 9, 27, 61, 183, 549, 1103, 1647, 3309, 9927, 29781, 67283, 201849, 605547, 1816641]

約数ペア:

[(1, 1816641), (3, 605547), (9, 201849), (27, 67283), (61, 29781), (183, 9927), (549, 3309), (1103, 1647)]