3891447

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3251}}^1$

素因数の和:3283

約数の個数: 24

約数和(自身を含む): 6764160

約数和(自身を除く): 2872713

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 3251, 9753, 22757, 29259, 61769, 68271, 185307, 204813, 432383, 555921, 1297149, 3891447]

約数ペア:

[(1, 3891447), (3, 1297149), (7, 555921), (9, 432383), (19, 204813), (21, 185307), (57, 68271), (63, 61769), (133, 29259), (171, 22757), (399, 9753), (1197, 3251)]