205842105

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:411

約数の個数: 96

約数和(自身を含む): 433904640

約数和(自身を除く): 228062535

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 163, 171, 211, 285, 315, 399, 489, 633, 665, 815, 855, 1055, 1141, 1197, 1467, 1477, 1899, 1995, 2445, 3097, 3165, 3423, 4009, 4431, 5705, 5985, 7335, 7385, 9291, 9495, 10269, 12027, 13293, 15485, 17115, 20045, 21679, 22155, 27873, 28063, 34393, 36081, 46455, 51345, 60135, 65037, 66465, 84189, 103179, 108395, 139365, 140315, 171965, 180405, 195111, 240751, 252567, 309537, 325185, 420945, 515895, 653467, 722253, 975555, 1203755, 1262835, 1547685, 1960401, 2166759, 3267335, 3611265, 4574269, 5881203, 9802005, 10833795, 13722807, 22871345, 29406015, 41168421, 68614035, 205842105]

約数ペア:

[(1, 205842105), (3, 68614035), (5, 41168421), (7, 29406015), (9, 22871345), (15, 13722807), (19, 10833795), (21, 9802005), (35, 5881203), (45, 4574269), (57, 3611265), (63, 3267335), (95, 2166759), (105, 1960401), (133, 1547685), (163, 1262835), (171, 1203755), (211, 975555), (285, 722253), (315, 653467), (399, 515895), (489, 420945), (633, 325185), (665, 309537), (815, 252567), (855, 240751), (1055, 195111), (1141, 180405), (1197, 171965), (1467, 140315), (1477, 139365), (1899, 108395), (1995, 103179), (2445, 84189), (3097, 66465), (3165, 65037), (3423, 60135), (4009, 51345), (4431, 46455), (5705, 36081), (5985, 34393), (7335, 28063), (7385, 27873), (9291, 22155), (9495, 21679), (10269, 20045), (12027, 17115), (13293, 15485)]