27831265

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 44323200

約数和(自身を除く): 16491935

約数列:

[1, 5, 7, 11, 23, 35, 49, 55, 77, 115, 161, 245, 253, 385, 449, 539, 805, 1127, 1265, 1771, 2245, 2695, 3143, 4939, 5635, 8855, 10327, 12397, 15715, 22001, 24695, 34573, 51635, 61985, 72289, 110005, 113597, 172865, 242011, 361445, 506023, 567985, 795179, 1210055, 2530115, 3975895, 5566253, 27831265]

約数ペア:

[(1, 27831265), (5, 5566253), (7, 3975895), (11, 2530115), (23, 1210055), (35, 795179), (49, 567985), (55, 506023), (77, 361445), (115, 242011), (161, 172865), (245, 113597), (253, 110005), (385, 72289), (449, 61985), (539, 51635), (805, 34573), (1127, 24695), (1265, 22001), (1771, 15715), (2245, 12397), (2695, 10327), (3143, 8855), (4939, 5635)]