18068025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 32569344

約数和(自身を除く): 14501319

約数列:

[1, 3, 5, 15, 17, 25, 37, 51, 75, 85, 111, 185, 255, 383, 425, 555, 629, 925, 1149, 1275, 1887, 1915, 2775, 3145, 5745, 6511, 9435, 9575, 14171, 15725, 19533, 28725, 32555, 42513, 47175, 70855, 97665, 162775, 212565, 240907, 354275, 488325, 722721, 1062825, 1204535, 3613605, 6022675, 18068025]

約数ペア:

[(1, 18068025), (3, 6022675), (5, 3613605), (15, 1204535), (17, 1062825), (25, 722721), (37, 488325), (51, 354275), (75, 240907), (85, 212565), (111, 162775), (185, 97665), (255, 70855), (383, 47175), (425, 42513), (555, 32555), (629, 28725), (925, 19533), (1149, 15725), (1275, 14171), (1887, 9575), (1915, 9435), (2775, 6511), (3145, 5745)]