2487555

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 5054400

約数和(自身を除く): 2566845

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 53, 63, 105, 149, 159, 265, 315, 371, 447, 477, 745, 795, 1043, 1113, 1341, 1855, 2235, 2385, 3129, 3339, 5215, 5565, 6705, 7897, 9387, 15645, 16695, 23691, 39485, 46935, 55279, 71073, 118455, 165837, 276395, 355365, 497511, 829185, 2487555]

約数ペア:

[(1, 2487555), (3, 829185), (5, 497511), (7, 355365), (9, 276395), (15, 165837), (21, 118455), (35, 71073), (45, 55279), (53, 46935), (63, 39485), (105, 23691), (149, 16695), (159, 15645), (265, 9387), (315, 7897), (371, 6705), (447, 5565), (477, 5215), (745, 3339), (795, 3129), (1043, 2385), (1113, 2235), (1341, 1855)]