397291191

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1\times {\mathrm{487}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 590284800

約数和(自身を除く): 192993609

約数列:

[1, 3, 11, 33, 59, 177, 419, 487, 649, 1257, 1461, 1947, 4609, 5357, 13827, 16071, 24721, 28733, 74163, 86199, 204053, 271931, 316063, 612159, 815793, 948189, 2244583, 6733749, 12039127, 36117381, 132430397, 397291191]

約数ペア:

[(1, 397291191), (3, 132430397), (11, 36117381), (33, 12039127), (59, 6733749), (177, 2244583), (419, 948189), (487, 815793), (649, 612159), (1257, 316063), (1461, 271931), (1947, 204053), (4609, 86199), (5357, 74163), (13827, 28733), (16071, 24721)]