201579993

素因数分解:

$3^2\times {\mathrm{157}}^1\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:925

約数の個数: 24

約数和(自身を含む): 294592896

約数和(自身を除く): 93012903

約数列:

[1, 3, 9, 157, 331, 431, 471, 993, 1293, 1413, 2979, 3879, 51967, 67667, 142661, 155901, 203001, 427983, 467703, 609003, 1283949, 22397777, 67193331, 201579993]

約数ペア:

[(1, 201579993), (3, 67193331), (9, 22397777), (157, 1283949), (331, 609003), (431, 467703), (471, 427983), (993, 203001), (1293, 155901), (1413, 142661), (2979, 67667), (3879, 51967)]