1218807

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:420

約数の個数: 20

約数和(自身を含む): 1870176

約数和(自身を除く): 651369

約数列:

[1, 3, 9, 27, 41, 81, 123, 367, 369, 1101, 1107, 3303, 3321, 9909, 15047, 29727, 45141, 135423, 406269, 1218807]

約数ペア:

[(1, 1218807), (3, 406269), (9, 135423), (27, 45141), (41, 29727), (81, 15047), (123, 9909), (367, 3321), (369, 3303), (1101, 1107)]