81419163

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 126905856

約数和(自身を除く): 45486693

約数列:

[1, 3, 7, 21, 73, 173, 219, 307, 511, 519, 921, 1211, 1533, 2149, 3633, 6447, 12629, 22411, 37887, 53111, 67233, 88403, 156877, 159333, 265209, 371777, 470631, 1115331, 3877103, 11631309, 27139721, 81419163]

約数ペア:

[(1, 81419163), (3, 27139721), (7, 11631309), (21, 3877103), (73, 1115331), (173, 470631), (219, 371777), (307, 265209), (511, 159333), (519, 156877), (921, 88403), (1211, 67233), (1533, 53111), (2149, 37887), (3633, 22411), (6447, 12629)]