8901009

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 40

約数和(自身を含む): 14636160

約数和(自身を除く): 5735151

約数列:

[1, 3, 9, 13, 27, 39, 79, 81, 107, 117, 237, 321, 351, 711, 963, 1027, 1053, 1391, 2133, 2889, 3081, 4173, 6399, 8453, 8667, 9243, 12519, 25359, 27729, 37557, 76077, 83187, 109889, 112671, 228231, 329667, 684693, 989001, 2967003, 8901009]

約数ペア:

[(1, 8901009), (3, 2967003), (9, 989001), (13, 684693), (27, 329667), (39, 228231), (79, 112671), (81, 109889), (107, 83187), (117, 76077), (237, 37557), (321, 27729), (351, 25359), (711, 12519), (963, 9243), (1027, 8667), (1053, 8453), (1391, 6399), (2133, 4173), (2889, 3081)]