1997066691

素因数分解:

$3^3\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{2861}}^1$

素因数の和:3224

約数の個数: 32

約数和(自身を含む): 3000291840

約数和(自身を除く): 1003225149

約数列:

[1, 3, 9, 27, 103, 251, 309, 753, 927, 2259, 2781, 2861, 6777, 8583, 25749, 25853, 77247, 77559, 232677, 294683, 698031, 718111, 884049, 2154333, 2652147, 6462999, 7956441, 19388997, 73965433, 221896299, 665688897, 1997066691]

約数ペア:

[(1, 1997066691), (3, 665688897), (9, 221896299), (27, 73965433), (103, 19388997), (251, 7956441), (309, 6462999), (753, 2652147), (927, 2154333), (2259, 884049), (2781, 718111), (2861, 698031), (6777, 294683), (8583, 232677), (25749, 77559), (25853, 77247)]