28974885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 51057216

約数和(自身を除く): 22082331

約数列:

[1, 3, 5, 15, 17, 37, 51, 83, 85, 111, 185, 249, 255, 415, 555, 629, 1245, 1369, 1411, 1887, 3071, 3145, 4107, 4233, 6845, 7055, 9213, 9435, 15355, 20535, 21165, 23273, 46065, 52207, 69819, 113627, 116365, 156621, 261035, 340881, 349095, 568135, 783105, 1704405, 1931659, 5794977, 9658295, 28974885]

約数ペア:

[(1, 28974885), (3, 9658295), (5, 5794977), (15, 1931659), (17, 1704405), (37, 783105), (51, 568135), (83, 349095), (85, 340881), (111, 261035), (185, 156621), (249, 116365), (255, 113627), (415, 69819), (555, 52207), (629, 46065), (1245, 23273), (1369, 21165), (1411, 20535), (1887, 15355), (3071, 9435), (3145, 9213), (4107, 7055), (4233, 6845)]