18181245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 33094656

約数和(自身を除く): 14913411

約数列:

[1, 3, 5, 15, 17, 37, 41, 47, 51, 85, 111, 123, 141, 185, 205, 235, 255, 555, 615, 629, 697, 705, 799, 1517, 1739, 1887, 1927, 2091, 2397, 3145, 3485, 3995, 4551, 5217, 5781, 7585, 8695, 9435, 9635, 10455, 11985, 22755, 25789, 26085, 28905, 29563, 32759, 71299, 77367, 88689, 98277, 128945, 147815, 163795, 213897, 356495, 386835, 443445, 491385, 1069485, 1212083, 3636249, 6060415, 18181245]

約数ペア:

[(1, 18181245), (3, 6060415), (5, 3636249), (15, 1212083), (17, 1069485), (37, 491385), (41, 443445), (47, 386835), (51, 356495), (85, 213897), (111, 163795), (123, 147815), (141, 128945), (185, 98277), (205, 88689), (235, 77367), (255, 71299), (555, 32759), (615, 29563), (629, 28905), (697, 26085), (705, 25789), (799, 22755), (1517, 11985), (1739, 10455), (1887, 9635), (1927, 9435), (2091, 8695), (2397, 7585), (3145, 5781), (3485, 5217), (3995, 4551)]