15127821

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 22815000

約数和(自身を除く): 7687179

約数列:

[1, 3, 9, 29, 87, 149, 261, 389, 447, 1167, 1341, 3501, 4321, 11281, 12963, 33843, 38889, 57961, 101529, 173883, 521649, 1680869, 5042607, 15127821]

約数ペア:

[(1, 15127821), (3, 5042607), (9, 1680869), (29, 521649), (87, 173883), (149, 101529), (261, 57961), (389, 38889), (447, 33843), (1167, 12963), (1341, 11281), (3501, 4321)]