16970895

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 32348160

約数和(自身を除く): 15377265

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 171, 207, 285, 345, 437, 855, 863, 1035, 1311, 2185, 2589, 3933, 4315, 6555, 7767, 12945, 16397, 19665, 19849, 38835, 49191, 59547, 81985, 99245, 147573, 178641, 245955, 297735, 377131, 737865, 893205, 1131393, 1885655, 3394179, 5656965, 16970895]

約数ペア:

[(1, 16970895), (3, 5656965), (5, 3394179), (9, 1885655), (15, 1131393), (19, 893205), (23, 737865), (45, 377131), (57, 297735), (69, 245955), (95, 178641), (115, 147573), (171, 99245), (207, 81985), (285, 59547), (345, 49191), (437, 38835), (855, 19849), (863, 19665), (1035, 16397), (1311, 12945), (2185, 7767), (2589, 6555), (3933, 4315)]