81609717

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 127100160

約数和(自身を除く): 45490443

約数列:

[1, 3, 7, 21, 101, 109, 303, 327, 353, 707, 763, 1059, 2121, 2289, 2471, 7413, 11009, 33027, 35653, 38477, 77063, 106959, 115431, 231189, 249571, 269339, 748713, 808017, 3886177, 11658531, 27203239, 81609717]

約数ペア:

[(1, 81609717), (3, 27203239), (7, 11658531), (21, 3886177), (101, 808017), (109, 748713), (303, 269339), (327, 249571), (353, 231189), (707, 115431), (763, 106959), (1059, 77063), (2121, 38477), (2289, 35653), (2471, 33027), (7413, 11009)]