1978977

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 3548160

約数和(自身を除く): 1569183

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 659, 1001, 1977, 3003, 4613, 7249, 8567, 13839, 21747, 25701, 50743, 59969, 94237, 152229, 179907, 282711, 659659, 1978977]

約数ペア:

[(1, 1978977), (3, 659659), (7, 282711), (11, 179907), (13, 152229), (21, 94237), (33, 59969), (39, 50743), (77, 25701), (91, 21747), (143, 13839), (231, 8567), (273, 7249), (429, 4613), (659, 3003), (1001, 1977)]