1913265

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 3656016

約数和(自身を除く): 1742751

約数列:

[1, 3, 5, 9, 15, 17, 41, 45, 51, 61, 85, 123, 153, 183, 205, 255, 305, 369, 549, 615, 697, 765, 915, 1037, 1845, 2091, 2501, 2745, 3111, 3485, 5185, 6273, 7503, 9333, 10455, 12505, 15555, 22509, 31365, 37515, 42517, 46665, 112545, 127551, 212585, 382653, 637755, 1913265]

約数ペア:

[(1, 1913265), (3, 637755), (5, 382653), (9, 212585), (15, 127551), (17, 112545), (41, 46665), (45, 42517), (51, 37515), (61, 31365), (85, 22509), (123, 15555), (153, 12505), (183, 10455), (205, 9333), (255, 7503), (305, 6273), (369, 5185), (549, 3485), (615, 3111), (697, 2745), (765, 2501), (915, 2091), (1037, 1845)]