16995195

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 33975552

約数和(自身を除く): 16980357

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 163, 315, 331, 489, 815, 993, 1141, 1467, 1655, 2317, 2445, 2979, 3423, 4965, 5705, 6951, 7335, 10269, 11585, 14895, 17115, 20853, 34755, 51345, 53953, 104265, 161859, 269765, 377671, 485577, 809295, 1133013, 1888355, 2427885, 3399039, 5665065, 16995195]

約数ペア:

[(1, 16995195), (3, 5665065), (5, 3399039), (7, 2427885), (9, 1888355), (15, 1133013), (21, 809295), (35, 485577), (45, 377671), (63, 269765), (105, 161859), (163, 104265), (315, 53953), (331, 51345), (489, 34755), (815, 20853), (993, 17115), (1141, 14895), (1467, 11585), (1655, 10269), (2317, 7335), (2445, 6951), (2979, 5705), (3423, 4965)]