28953783

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 43511936

約数和(自身を除く): 14558153

約数列:

[1, 3, 9, 31, 93, 157, 279, 471, 661, 1413, 1983, 4867, 5949, 14601, 20491, 43803, 61473, 103777, 184419, 311331, 933993, 3217087, 9651261, 28953783]

約数ペア:

[(1, 28953783), (3, 9651261), (9, 3217087), (31, 933993), (93, 311331), (157, 184419), (279, 103777), (471, 61473), (661, 43803), (1413, 20491), (1983, 14601), (4867, 5949)]