27288465

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{181}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 48310080

約数和(自身を除く): 21021615

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 181, 285, 345, 437, 529, 543, 905, 1311, 1587, 2185, 2645, 2715, 3439, 4163, 6555, 7935, 10051, 10317, 12489, 17195, 20815, 30153, 50255, 51585, 62445, 79097, 95749, 150765, 237291, 287247, 395485, 478745, 1186455, 1436235, 1819231, 5457693, 9096155, 27288465]

約数ペア:

[(1, 27288465), (3, 9096155), (5, 5457693), (15, 1819231), (19, 1436235), (23, 1186455), (57, 478745), (69, 395485), (95, 287247), (115, 237291), (181, 150765), (285, 95749), (345, 79097), (437, 62445), (529, 51585), (543, 50255), (905, 30153), (1311, 20815), (1587, 17195), (2185, 12489), (2645, 10317), (2715, 10051), (3439, 7935), (4163, 6555)]