18337275

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 37140480

約数和(自身を除く): 18803205

約数列:

[1, 3, 5, 9, 11, 15, 25, 31, 33, 45, 55, 75, 93, 99, 155, 165, 225, 239, 275, 279, 341, 465, 495, 717, 775, 825, 1023, 1195, 1395, 1705, 2151, 2325, 2475, 2629, 3069, 3585, 5115, 5975, 6975, 7409, 7887, 8525, 10755, 13145, 15345, 17925, 22227, 23661, 25575, 37045, 39435, 53775, 65725, 66681, 76725, 81499, 111135, 118305, 185225, 197175, 244497, 333405, 407495, 555675, 591525, 733491, 1222485, 1667025, 2037475, 3667455, 6112425, 18337275]

約数ペア:

[(1, 18337275), (3, 6112425), (5, 3667455), (9, 2037475), (11, 1667025), (15, 1222485), (25, 733491), (31, 591525), (33, 555675), (45, 407495), (55, 333405), (75, 244497), (93, 197175), (99, 185225), (155, 118305), (165, 111135), (225, 81499), (239, 76725), (275, 66681), (279, 65725), (341, 53775), (465, 39435), (495, 37045), (717, 25575), (775, 23661), (825, 22227), (1023, 17925), (1195, 15345), (1395, 13145), (1705, 10755), (2151, 8525), (2325, 7887), (2475, 7409), (2629, 6975), (3069, 5975), (3585, 5115)]