27578505

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 48625920

約数和(自身を除く): 21047415

約数列:

[1, 3, 5, 15, 17, 37, 51, 79, 85, 111, 185, 237, 255, 395, 555, 629, 1185, 1343, 1369, 1887, 2923, 3145, 4029, 4107, 6715, 6845, 8769, 9435, 14615, 20145, 20535, 23273, 43845, 49691, 69819, 108151, 116365, 149073, 248455, 324453, 349095, 540755, 745365, 1622265, 1838567, 5515701, 9192835, 27578505]

約数ペア:

[(1, 27578505), (3, 9192835), (5, 5515701), (15, 1838567), (17, 1622265), (37, 745365), (51, 540755), (79, 349095), (85, 324453), (111, 248455), (185, 149073), (237, 116365), (255, 108151), (395, 69819), (555, 49691), (629, 43845), (1185, 23273), (1343, 20535), (1369, 20145), (1887, 14615), (2923, 9435), (3145, 8769), (4029, 6845), (4107, 6715)]