2178477

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 3635840

約数和(自身を除く): 1457363

約数列:

[1, 3, 7, 9, 21, 63, 151, 229, 453, 687, 1057, 1359, 1603, 2061, 3171, 4809, 9513, 14427, 34579, 103737, 242053, 311211, 726159, 2178477]

約数ペア:

[(1, 2178477), (3, 726159), (7, 311211), (9, 242053), (21, 103737), (63, 34579), (151, 14427), (229, 9513), (453, 4809), (687, 3171), (1057, 2061), (1359, 1603)]