28642923

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 44366400

約数和(自身を除く): 15723477

約数列:

[1, 3, 9, 27, 29, 87, 157, 233, 261, 471, 699, 783, 1413, 2097, 4239, 4553, 6291, 6757, 13659, 20271, 36581, 40977, 60813, 109743, 122931, 182439, 329229, 987687, 1060849, 3182547, 9547641, 28642923]

約数ペア:

[(1, 28642923), (3, 9547641), (9, 3182547), (27, 1060849), (29, 987687), (87, 329229), (157, 182439), (233, 122931), (261, 109743), (471, 60813), (699, 40977), (783, 36581), (1413, 20271), (2097, 13659), (4239, 6757), (4553, 6291)]