391581897

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1\times {\mathrm{419}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 603832320

約数和(自身を除く): 212250423

約数列:

[1, 3, 7, 21, 191, 233, 419, 573, 699, 1257, 1337, 1631, 2933, 4011, 4893, 8799, 44503, 80029, 97627, 133509, 240087, 292881, 311521, 560203, 683389, 934563, 1680609, 2050167, 18646757, 55940271, 130527299, 391581897]

約数ペア:

[(1, 391581897), (3, 130527299), (7, 55940271), (21, 18646757), (191, 2050167), (233, 1680609), (419, 934563), (573, 683389), (699, 560203), (1257, 311521), (1337, 292881), (1631, 240087), (2933, 133509), (4011, 97627), (4893, 80029), (8799, 44503)]