28654695

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 25535385

約数列:

[1, 3, 5, 9, 15, 27, 31, 41, 45, 93, 123, 135, 155, 167, 205, 279, 369, 465, 501, 615, 835, 837, 1107, 1271, 1395, 1503, 1845, 2505, 3813, 4185, 4509, 5177, 5535, 6355, 6847, 7515, 11439, 15531, 19065, 20541, 22545, 25885, 34235, 34317, 46593, 57195, 61623, 77655, 102705, 139779, 171585, 184869, 212257, 232965, 308115, 636771, 698895, 924345, 1061285, 1910313, 3183855, 5730939, 9551565, 28654695]

約数ペア:

[(1, 28654695), (3, 9551565), (5, 5730939), (9, 3183855), (15, 1910313), (27, 1061285), (31, 924345), (41, 698895), (45, 636771), (93, 308115), (123, 232965), (135, 212257), (155, 184869), (167, 171585), (205, 139779), (279, 102705), (369, 77655), (465, 61623), (501, 57195), (615, 46593), (835, 34317), (837, 34235), (1107, 25885), (1271, 22545), (1395, 20541), (1503, 19065), (1845, 15531), (2505, 11439), (3813, 7515), (4185, 6847), (4509, 6355), (5177, 5535)]