31872309

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 50601984

約数和(自身を除く): 18729675

約数列:

[1, 3, 7, 21, 31, 93, 173, 217, 283, 519, 651, 849, 1211, 1981, 3633, 5363, 5943, 8773, 16089, 26319, 37541, 48959, 61411, 112623, 146877, 184233, 342713, 1028139, 1517729, 4553187, 10624103, 31872309]

約数ペア:

[(1, 31872309), (3, 10624103), (7, 4553187), (21, 1517729), (31, 1028139), (93, 342713), (173, 184233), (217, 146877), (283, 112623), (519, 61411), (651, 48959), (849, 37541), (1211, 26319), (1981, 16089), (3633, 8773), (5363, 5943)]