81303786

素因数分解:

$2^1\times 3^2\times {\mathrm{211}}^1\times {\mathrm{21407}}^1$

素因数の和:21626

約数の個数: 24

約数和(自身を含む): 177001344

約数和(自身を除く): 95697558

約数列:

[1, 2, 3, 6, 9, 18, 211, 422, 633, 1266, 1899, 3798, 21407, 42814, 64221, 128442, 192663, 385326, 4516877, 9033754, 13550631, 27101262, 40651893, 81303786]

約数ペア:

[(1, 81303786), (2, 40651893), (3, 27101262), (6, 13550631), (9, 9033754), (18, 4516877), (211, 385326), (422, 192663), (633, 128442), (1266, 64221), (1899, 42814), (3798, 21407)]