397991997

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{9803}}^1$

素因数の和:10169

約数の個数: 24

約数和(自身を含む): 620946144

約数和(自身を除く): 222954147

約数列:

[1, 3, 9, 13, 39, 117, 347, 1041, 3123, 4511, 9803, 13533, 29409, 40599, 88227, 127439, 382317, 1146951, 3401641, 10204923, 30614769, 44221333, 132663999, 397991997]

約数ペア:

[(1, 397991997), (3, 132663999), (9, 44221333), (13, 30614769), (39, 10204923), (117, 3401641), (347, 1146951), (1041, 382317), (3123, 127439), (4511, 88227), (9803, 40599), (13533, 29409)]