207939615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{24799}}^1$

素因数の和:24863

約数の個数: 32

約数和(自身を含む): 366643200

約数和(自身を除く): 158703585

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 8385, 24799, 74397, 123995, 322387, 371985, 967161, 1066357, 1611935, 3199071, 4835805, 5331785, 13862641, 15995355, 41587923, 69313205, 207939615]

約数ペア:

[(1, 207939615), (3, 69313205), (5, 41587923), (13, 15995355), (15, 13862641), (39, 5331785), (43, 4835805), (65, 3199071), (129, 1611935), (195, 1066357), (215, 967161), (559, 371985), (645, 322387), (1677, 123995), (2795, 74397), (8385, 24799)]