31251879

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 48384000

約数和(自身を除く): 17132121

約数列:

[1, 3, 9, 27, 29, 87, 167, 239, 261, 501, 717, 783, 1503, 2151, 4509, 4843, 6453, 6931, 14529, 20793, 39913, 43587, 62379, 119739, 130761, 187137, 359217, 1077651, 1157477, 3472431, 10417293, 31251879]

約数ペア:

[(1, 31251879), (3, 10417293), (9, 3472431), (27, 1157477), (29, 1077651), (87, 359217), (167, 187137), (239, 130761), (261, 119739), (501, 62379), (717, 43587), (783, 39913), (1503, 20793), (2151, 14529), (4509, 6931), (4843, 6453)]