668844405

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^2\times {\mathrm{467}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 1203284160

約数和(自身を除く): 534439755

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 467, 515, 927, 1401, 1545, 2335, 2781, 4203, 4635, 7005, 10609, 12609, 13905, 21015, 31827, 48101, 53045, 63045, 95481, 144303, 159135, 240505, 286443, 432909, 477405, 721515, 1298727, 1432215, 2164545, 4954403, 6493635, 14863209, 24772015, 44589627, 74316045, 133768881, 222948135, 668844405]

約数ペア:

[(1, 668844405), (3, 222948135), (5, 133768881), (9, 74316045), (15, 44589627), (27, 24772015), (45, 14863209), (103, 6493635), (135, 4954403), (309, 2164545), (467, 1432215), (515, 1298727), (927, 721515), (1401, 477405), (1545, 432909), (2335, 286443), (2781, 240505), (4203, 159135), (4635, 144303), (7005, 95481), (10609, 63045), (12609, 53045), (13905, 48101), (21015, 31827)]