316781547

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{683}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 455270400

約数和(自身を除く): 138488853

約数列:

[1, 3, 19, 57, 79, 103, 237, 309, 683, 1501, 1957, 2049, 4503, 5871, 8137, 12977, 24411, 38931, 53957, 70349, 154603, 161871, 211047, 463809, 1025183, 1336631, 3075549, 4009893, 5557571, 16672713, 105593849, 316781547]

約数ペア:

[(1, 316781547), (3, 105593849), (19, 16672713), (57, 5557571), (79, 4009893), (103, 3075549), (237, 1336631), (309, 1025183), (683, 463809), (1501, 211047), (1957, 161871), (2049, 154603), (4503, 70349), (5871, 53957), (8137, 38931), (12977, 24411)]