163936941

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2557}}^1$

素因数の和:2681

約数の個数: 32

約数和(自身を含む): 259319808

約数和(自身を除く): 95382867

約数列:

[1, 3, 7, 21, 43, 71, 129, 213, 301, 497, 903, 1491, 2557, 3053, 7671, 9159, 17899, 21371, 53697, 64113, 109951, 181547, 329853, 544641, 769657, 1270829, 2308971, 3812487, 7806521, 23419563, 54645647, 163936941]

約数ペア:

[(1, 163936941), (3, 54645647), (7, 23419563), (21, 7806521), (43, 3812487), (71, 2308971), (129, 1270829), (213, 769657), (301, 544641), (497, 329853), (903, 181547), (1491, 109951), (2557, 64113), (3053, 53697), (7671, 21371), (9159, 17899)]