23018895

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 42681600

約数和(自身を除く): 19662705

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 435, 465, 569, 899, 1305, 1395, 1707, 2697, 2845, 4495, 5121, 8091, 8535, 13485, 16501, 17639, 25605, 40455, 49503, 52917, 82505, 88195, 148509, 158751, 247515, 264585, 511531, 742545, 793755, 1534593, 2557655, 4603779, 7672965, 23018895]

約数ペア:

[(1, 23018895), (3, 7672965), (5, 4603779), (9, 2557655), (15, 1534593), (29, 793755), (31, 742545), (45, 511531), (87, 264585), (93, 247515), (145, 158751), (155, 148509), (261, 88195), (279, 82505), (435, 52917), (465, 49503), (569, 40455), (899, 25605), (1305, 17639), (1395, 16501), (1707, 13485), (2697, 8535), (2845, 8091), (4495, 5121)]