71870253

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6421}}^1$

素因数の和:6485

約数の個数: 32

約数和(自身を含む): 120836352

約数和(自身を除く): 48966099

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 3731, 6421, 11193, 19263, 44947, 83473, 134841, 250419, 263261, 584311, 789783, 1752933, 1842827, 3422393, 5528481, 10267179, 23956751, 71870253]

約数ペア:

[(1, 71870253), (3, 23956751), (7, 10267179), (13, 5528481), (21, 3422393), (39, 1842827), (41, 1752933), (91, 789783), (123, 584311), (273, 263261), (287, 250419), (533, 134841), (861, 83473), (1599, 44947), (3731, 19263), (6421, 11193)]