27684279

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{25849}}^1$

素因数の和:25879

約数の個数: 24

約数和(自身を含む): 48391200

約数和(自身を除く): 20706921

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 25849, 77547, 180943, 232641, 439433, 542829, 1318299, 1628487, 3076031, 3954897, 9228093, 27684279]

約数ペア:

[(1, 27684279), (3, 9228093), (7, 3954897), (9, 3076031), (17, 1628487), (21, 1318299), (51, 542829), (63, 439433), (119, 232641), (153, 180943), (357, 77547), (1071, 25849)]