863220813

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{29009}}^1$

素因数の和:29141

約数の個数: 32

約数和(自身を含む): 1429612800

約数和(自身を除く): 566391987

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 763, 1417, 2289, 4251, 9919, 29009, 29757, 87027, 203063, 377117, 609189, 1131351, 2639819, 3161981, 7919457, 9485943, 22133867, 41105753, 66401601, 123317259, 287740271, 863220813]

約数ペア:

[(1, 863220813), (3, 287740271), (7, 123317259), (13, 66401601), (21, 41105753), (39, 22133867), (91, 9485943), (109, 7919457), (273, 3161981), (327, 2639819), (763, 1131351), (1417, 609189), (2289, 377117), (4251, 203063), (9919, 87027), (29009, 29757)]