277974489

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{5347}}^1$

素因数の和:5437

約数の個数: 32

約数和(自身を含む): 421679104

約数和(自身を除く): 143704615

約数列:

[1, 3, 13, 31, 39, 43, 93, 129, 403, 559, 1209, 1333, 1677, 3999, 5347, 16041, 17329, 51987, 69511, 165757, 208533, 229921, 497271, 689763, 2154841, 2988973, 6464523, 7127551, 8966919, 21382653, 92658163, 277974489]

約数ペア:

[(1, 277974489), (3, 92658163), (13, 21382653), (31, 8966919), (39, 7127551), (43, 6464523), (93, 2988973), (129, 2154841), (403, 689763), (559, 497271), (1209, 229921), (1333, 208533), (1677, 165757), (3999, 69511), (5347, 51987), (16041, 17329)]