2001868947

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1\times {\mathrm{971}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 3175780608

約数和(自身を除く): 1173911661

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 263, 603, 789, 871, 971, 2367, 2613, 2913, 3419, 7839, 8739, 10257, 12623, 17621, 30771, 37869, 52863, 65057, 113607, 158589, 195171, 229073, 255373, 585513, 687219, 766119, 845741, 2061657, 2298357, 2537223, 3319849, 7611669, 9959547, 17109991, 29878641, 51329973, 153989919, 222429883, 667289649, 2001868947]

約数ペア:

[(1, 2001868947), (3, 667289649), (9, 222429883), (13, 153989919), (39, 51329973), (67, 29878641), (117, 17109991), (201, 9959547), (263, 7611669), (603, 3319849), (789, 2537223), (871, 2298357), (971, 2061657), (2367, 845741), (2613, 766119), (2913, 687219), (3419, 585513), (7839, 255373), (8739, 229073), (10257, 195171), (12623, 158589), (17621, 113607), (30771, 65057), (37869, 52863)]