38893995

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 81095040

約数和(自身を除く): 42201045

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 49, 63, 93, 105, 147, 155, 217, 245, 279, 315, 441, 465, 569, 651, 735, 1085, 1395, 1519, 1707, 1953, 2205, 2845, 3255, 3983, 4557, 5121, 7595, 8535, 9765, 11949, 13671, 17639, 19915, 22785, 25605, 27881, 35847, 52917, 59745, 68355, 83643, 88195, 123473, 139405, 158751, 179235, 250929, 264585, 370419, 418215, 617365, 793755, 864311, 1111257, 1254645, 1852095, 2592933, 4321555, 5556285, 7778799, 12964665, 38893995]

約数ペア:

[(1, 38893995), (3, 12964665), (5, 7778799), (7, 5556285), (9, 4321555), (15, 2592933), (21, 1852095), (31, 1254645), (35, 1111257), (45, 864311), (49, 793755), (63, 617365), (93, 418215), (105, 370419), (147, 264585), (155, 250929), (217, 179235), (245, 158751), (279, 139405), (315, 123473), (441, 88195), (465, 83643), (569, 68355), (651, 59745), (735, 52917), (1085, 35847), (1395, 27881), (1519, 25605), (1707, 22785), (1953, 19915), (2205, 17639), (2845, 13671), (3255, 11949), (3983, 9765), (4557, 8535), (5121, 7595)]