3987639

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 6205680

約数和(自身を除く): 2218041

約数列:

[1, 3, 9, 17, 51, 67, 153, 201, 389, 603, 1139, 1167, 3417, 3501, 6613, 10251, 19839, 26063, 59517, 78189, 234567, 443071, 1329213, 3987639]

約数ペア:

[(1, 3987639), (3, 1329213), (9, 443071), (17, 234567), (51, 78189), (67, 59517), (153, 26063), (201, 19839), (389, 10251), (603, 6613), (1139, 3501), (1167, 3417)]