31152825

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 62558496

約数和(自身を除く): 31405671

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 41, 45, 55, 75, 99, 123, 165, 205, 225, 275, 307, 369, 451, 495, 615, 825, 921, 1025, 1353, 1535, 1845, 2255, 2475, 2763, 3075, 3377, 4059, 4605, 6765, 7675, 9225, 10131, 11275, 12587, 13815, 16885, 20295, 23025, 30393, 33825, 37761, 50655, 62935, 69075, 84425, 101475, 113283, 138457, 151965, 188805, 253275, 314675, 415371, 566415, 692285, 759825, 944025, 1246113, 2076855, 2832075, 3461425, 6230565, 10384275, 31152825]

約数ペア:

[(1, 31152825), (3, 10384275), (5, 6230565), (9, 3461425), (11, 2832075), (15, 2076855), (25, 1246113), (33, 944025), (41, 759825), (45, 692285), (55, 566415), (75, 415371), (99, 314675), (123, 253275), (165, 188805), (205, 151965), (225, 138457), (275, 113283), (307, 101475), (369, 84425), (451, 69075), (495, 62935), (615, 50655), (825, 37761), (921, 33825), (1025, 30393), (1353, 23025), (1535, 20295), (1845, 16885), (2255, 13815), (2475, 12587), (2763, 11275), (3075, 10131), (3377, 9225), (4059, 7675), (4605, 6765)]