28990185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 28033815

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 109, 119, 149, 255, 327, 357, 447, 545, 595, 745, 763, 1043, 1635, 1785, 1853, 2235, 2289, 2533, 3129, 3815, 5215, 5559, 7599, 9265, 11445, 12665, 12971, 15645, 16241, 17731, 27795, 37995, 38913, 48723, 53193, 64855, 81205, 88655, 113687, 194565, 243615, 265965, 276097, 341061, 568435, 828291, 1380485, 1705305, 1932679, 4141455, 5798037, 9663395, 28990185]

約数ペア:

[(1, 28990185), (3, 9663395), (5, 5798037), (7, 4141455), (15, 1932679), (17, 1705305), (21, 1380485), (35, 828291), (51, 568435), (85, 341061), (105, 276097), (109, 265965), (119, 243615), (149, 194565), (255, 113687), (327, 88655), (357, 81205), (447, 64855), (545, 53193), (595, 48723), (745, 38913), (763, 37995), (1043, 27795), (1635, 17731), (1785, 16241), (1853, 15645), (2235, 12971), (2289, 12665), (2533, 11445), (3129, 9265), (3815, 7599), (5215, 5559)]