1317855

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 2692224

約数和(自身を除く): 1374369

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 163, 165, 231, 245, 385, 489, 539, 735, 815, 1141, 1155, 1617, 1793, 2445, 2695, 3423, 5379, 5705, 7987, 8085, 8965, 12551, 17115, 23961, 26895, 37653, 39935, 62755, 87857, 119805, 188265, 263571, 439285, 1317855]

約数ペア:

[(1, 1317855), (3, 439285), (5, 263571), (7, 188265), (11, 119805), (15, 87857), (21, 62755), (33, 39935), (35, 37653), (49, 26895), (55, 23961), (77, 17115), (105, 12551), (147, 8965), (163, 8085), (165, 7987), (231, 5705), (245, 5379), (385, 3423), (489, 2695), (539, 2445), (735, 1793), (815, 1617), (1141, 1155)]