13810815

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 26114400

約数和(自身を除く): 12303585

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 435, 551, 557, 855, 1305, 1653, 1671, 2755, 2785, 4959, 5013, 8265, 8355, 10583, 16153, 24795, 25065, 31749, 48459, 52915, 80765, 95247, 145377, 158745, 242295, 306907, 476235, 726885, 920721, 1534535, 2762163, 4603605, 13810815]

約数ペア:

[(1, 13810815), (3, 4603605), (5, 2762163), (9, 1534535), (15, 920721), (19, 726885), (29, 476235), (45, 306907), (57, 242295), (87, 158745), (95, 145377), (145, 95247), (171, 80765), (261, 52915), (285, 48459), (435, 31749), (551, 25065), (557, 24795), (855, 16153), (1305, 10583), (1653, 8355), (1671, 8265), (2755, 5013), (2785, 4959)]