17974215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1327}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 36461568

約数和(自身を除く): 18487353

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1327, 1505, 1935, 2709, 3981, 4515, 6635, 9289, 11943, 13545, 19905, 27867, 46445, 57061, 59715, 83601, 139335, 171183, 285305, 399427, 418005, 513549, 855915, 1198281, 1997135, 2567745, 3594843, 5991405, 17974215]

約数ペア:

[(1, 17974215), (3, 5991405), (5, 3594843), (7, 2567745), (9, 1997135), (15, 1198281), (21, 855915), (35, 513549), (43, 418005), (45, 399427), (63, 285305), (105, 171183), (129, 139335), (215, 83601), (301, 59715), (315, 57061), (387, 46445), (645, 27867), (903, 19905), (1327, 13545), (1505, 11943), (1935, 9289), (2709, 6635), (3981, 4515)]