17920575

素因数分解:

$3^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 33331200

約数和(自身を除く): 15410625

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 139, 191, 225, 417, 573, 675, 695, 955, 1251, 1719, 2085, 2865, 3475, 3753, 4775, 5157, 6255, 8595, 10425, 14325, 18765, 25785, 26549, 31275, 42975, 79647, 93825, 128925, 132745, 238941, 398235, 663725, 716823, 1194705, 1991175, 3584115, 5973525, 17920575]

約数ペア:

[(1, 17920575), (3, 5973525), (5, 3584115), (9, 1991175), (15, 1194705), (25, 716823), (27, 663725), (45, 398235), (75, 238941), (135, 132745), (139, 128925), (191, 93825), (225, 79647), (417, 42975), (573, 31275), (675, 26549), (695, 25785), (955, 18765), (1251, 14325), (1719, 10425), (2085, 8595), (2865, 6255), (3475, 5157), (3753, 4775)]