2217789

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 36

約数和(自身を含む): 3841344

約数和(自身を除く): 1623555

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 107, 141, 147, 321, 329, 423, 441, 749, 963, 987, 2247, 2303, 2961, 5029, 5243, 6741, 6909, 15087, 15729, 20727, 35203, 45261, 47187, 105609, 246421, 316827, 739263, 2217789]

約数ペア:

[(1, 2217789), (3, 739263), (7, 316827), (9, 246421), (21, 105609), (47, 47187), (49, 45261), (63, 35203), (107, 20727), (141, 15729), (147, 15087), (321, 6909), (329, 6741), (423, 5243), (441, 5029), (749, 2961), (963, 2303), (987, 2247)]