210005649

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^2\times {\mathrm{661}}^1$

素因数の和:759

約数の個数: 48

約数和(自身を含む): 365000320

約数和(自身を除く): 154994671

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 661, 861, 1107, 1681, 1983, 2583, 4627, 5043, 5949, 7749, 11767, 13881, 15129, 17847, 27101, 35301, 41643, 45387, 81303, 105903, 124929, 189707, 243909, 317709, 569121, 731727, 1111141, 1707363, 3333423, 5122089, 7777987, 10000269, 23333961, 30000807, 70001883, 210005649]

約数ペア:

[(1, 210005649), (3, 70001883), (7, 30000807), (9, 23333961), (21, 10000269), (27, 7777987), (41, 5122089), (63, 3333423), (123, 1707363), (189, 1111141), (287, 731727), (369, 569121), (661, 317709), (861, 243909), (1107, 189707), (1681, 124929), (1983, 105903), (2583, 81303), (4627, 45387), (5043, 41643), (5949, 35301), (7749, 27101), (11767, 17847), (13881, 15129)]