311930409

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{1993}}^1$

素因数の和:2289

約数の個数: 32

約数和(自身を含む): 493873920

約数和(自身を除く): 181943511

約数列:

[1, 3, 7, 21, 29, 87, 203, 257, 609, 771, 1799, 1993, 5397, 5979, 7453, 13951, 22359, 41853, 52171, 57797, 156513, 173391, 404579, 512201, 1213737, 1536603, 3585407, 10756221, 14853829, 44561487, 103976803, 311930409]

約数ペア:

[(1, 311930409), (3, 103976803), (7, 44561487), (21, 14853829), (29, 10756221), (87, 3585407), (203, 1536603), (257, 1213737), (609, 512201), (771, 404579), (1799, 173391), (1993, 156513), (5397, 57797), (5979, 52171), (7453, 41853), (13951, 22359)]