53902821

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 85056768

約数和(自身を除く): 31153947

約数列:

[1, 3, 7, 21, 37, 111, 173, 259, 401, 519, 777, 1203, 1211, 2807, 3633, 6401, 8421, 14837, 19203, 44511, 44807, 69373, 103859, 134421, 208119, 311577, 485611, 1456833, 2566801, 7700403, 17967607, 53902821]

約数ペア:

[(1, 53902821), (3, 17967607), (7, 7700403), (21, 2566801), (37, 1456833), (111, 485611), (173, 311577), (259, 208119), (401, 134421), (519, 103859), (777, 69373), (1203, 44807), (1211, 44511), (2807, 19203), (3633, 14837), (6401, 8421)]