27689355

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 51757056

約数和(自身を除く): 24067701

約数列:

[1, 3, 5, 9, 15, 23, 31, 45, 69, 93, 115, 155, 207, 279, 345, 465, 713, 863, 1035, 1395, 2139, 2589, 3565, 4315, 6417, 7767, 10695, 12945, 19849, 26753, 32085, 38835, 59547, 80259, 99245, 133765, 178641, 240777, 297735, 401295, 615319, 893205, 1203885, 1845957, 3076595, 5537871, 9229785, 27689355]

約数ペア:

[(1, 27689355), (3, 9229785), (5, 5537871), (9, 3076595), (15, 1845957), (23, 1203885), (31, 893205), (45, 615319), (69, 401295), (93, 297735), (115, 240777), (155, 178641), (207, 133765), (279, 99245), (345, 80259), (465, 59547), (713, 38835), (863, 32085), (1035, 26753), (1395, 19849), (2139, 12945), (2589, 10695), (3565, 7767), (4315, 6417)]