2781363081

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{17747}}^1$

素因数の和:18213

約数の個数: 32

約数和(自身を含む): 4498053120

約数和(自身を除く): 1716690039

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 439, 1317, 3073, 7463, 9219, 17747, 22389, 52241, 53241, 124229, 156723, 301699, 372687, 905097, 2111893, 6335679, 7790933, 23372799, 54536531, 132445861, 163609593, 397337583, 927121027, 2781363081]

約数ペア:

[(1, 2781363081), (3, 927121027), (7, 397337583), (17, 163609593), (21, 132445861), (51, 54536531), (119, 23372799), (357, 7790933), (439, 6335679), (1317, 2111893), (3073, 905097), (7463, 372687), (9219, 301699), (17747, 156723), (22389, 124229), (52241, 53241)]