77800821

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{829}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 122707200

約数和(自身を除く): 44906379

約数列:

[1, 3, 7, 21, 41, 109, 123, 287, 327, 763, 829, 861, 2289, 2487, 4469, 5803, 13407, 17409, 31283, 33989, 90361, 93849, 101967, 237923, 271083, 632527, 713769, 1897581, 3704801, 11114403, 25933607, 77800821]

約数ペア:

[(1, 77800821), (3, 25933607), (7, 11114403), (21, 3704801), (41, 1897581), (109, 713769), (123, 632527), (287, 271083), (327, 237923), (763, 101967), (829, 93849), (861, 90361), (2289, 33989), (2487, 31283), (4469, 17409), (5803, 13407)]