213865947

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{191}}^1\times {\mathrm{367}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 322191360

約数和(自身を除く): 108325413

約数列:

[1, 3, 9, 27, 113, 191, 339, 367, 573, 1017, 1101, 1719, 3051, 3303, 5157, 9909, 21583, 41471, 64749, 70097, 124413, 194247, 210291, 373239, 582741, 630873, 1119717, 1892619, 7920961, 23762883, 71288649, 213865947]

約数ペア:

[(1, 213865947), (3, 71288649), (9, 23762883), (27, 7920961), (113, 1892619), (191, 1119717), (339, 630873), (367, 582741), (573, 373239), (1017, 210291), (1101, 194247), (1719, 124413), (3051, 70097), (3303, 64749), (5157, 41471), (9909, 21583)]