16970175

素因数分解:

$3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 32220160

約数和(自身を除く): 15249985

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 135, 155, 225, 279, 465, 675, 775, 811, 837, 1395, 2325, 2433, 4055, 4185, 6975, 7299, 12165, 20275, 20925, 21897, 25141, 36495, 60825, 75423, 109485, 125705, 182475, 226269, 377115, 547425, 628525, 678807, 1131345, 1885575, 3394035, 5656725, 16970175]

約数ペア:

[(1, 16970175), (3, 5656725), (5, 3394035), (9, 1885575), (15, 1131345), (25, 678807), (27, 628525), (31, 547425), (45, 377115), (75, 226269), (93, 182475), (135, 125705), (155, 109485), (225, 75423), (279, 60825), (465, 36495), (675, 25141), (775, 21897), (811, 20925), (837, 20275), (1395, 12165), (2325, 7299), (2433, 6975), (4055, 4185)]