217620357

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 312299520

約数和(自身を除く): 94679163

約数列:

[1, 3, 19, 57, 101, 103, 303, 309, 367, 1101, 1919, 1957, 5757, 5871, 6973, 10403, 20919, 31209, 37067, 37801, 111201, 113403, 197657, 592971, 704273, 718219, 2112819, 2154657, 3817901, 11453703, 72540119, 217620357]

約数ペア:

[(1, 217620357), (3, 72540119), (19, 11453703), (57, 3817901), (101, 2154657), (103, 2112819), (303, 718219), (309, 704273), (367, 592971), (1101, 197657), (1919, 113403), (1957, 111201), (5757, 37801), (5871, 37067), (6973, 31209), (10403, 20919)]