1820348505

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{123707}}^1$

素因数の和:123830

約数の個数: 32

約数和(自身を含む): 3265891200

約数和(自身を除く): 1445542695

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 327, 545, 981, 1635, 2943, 4905, 14715, 123707, 371121, 618535, 1113363, 1855605, 3340089, 5566815, 13484063, 16700445, 40452189, 67420315, 121356567, 202260945, 364069701, 606782835, 1820348505]

約数ペア:

[(1, 1820348505), (3, 606782835), (5, 364069701), (9, 202260945), (15, 121356567), (27, 67420315), (45, 40452189), (109, 16700445), (135, 13484063), (327, 5566815), (545, 3340089), (981, 1855605), (1635, 1113363), (2943, 618535), (4905, 371121), (14715, 123707)]