19791315

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 37267776

約数和(自身を除く): 17476461

約数列:

[1, 3, 5, 9, 15, 17, 41, 45, 51, 85, 123, 153, 205, 255, 369, 615, 631, 697, 765, 1845, 1893, 2091, 3155, 3485, 5679, 6273, 9465, 10455, 10727, 25871, 28395, 31365, 32181, 53635, 77613, 96543, 129355, 160905, 232839, 388065, 439807, 482715, 1164195, 1319421, 2199035, 3958263, 6597105, 19791315]

約数ペア:

[(1, 19791315), (3, 6597105), (5, 3958263), (9, 2199035), (15, 1319421), (17, 1164195), (41, 482715), (45, 439807), (51, 388065), (85, 232839), (123, 160905), (153, 129355), (205, 96543), (255, 77613), (369, 53635), (615, 32181), (631, 31365), (697, 28395), (765, 25871), (1845, 10727), (1893, 10455), (2091, 9465), (3155, 6273), (3485, 5679)]