190905981

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1\times {\mathrm{563}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 296997888

約数和(自身を除く): 106091907

約数列:

[1, 3, 7, 21, 67, 201, 241, 469, 563, 723, 1407, 1687, 1689, 3941, 5061, 11823, 16147, 37721, 48441, 113029, 113163, 135683, 264047, 339087, 407049, 792141, 949781, 2849343, 9090761, 27272283, 63635327, 190905981]

約数ペア:

[(1, 190905981), (3, 63635327), (7, 27272283), (21, 9090761), (67, 2849343), (201, 949781), (241, 792141), (469, 407049), (563, 339087), (723, 264047), (1407, 135683), (1687, 113163), (1689, 113029), (3941, 48441), (5061, 37721), (11823, 16147)]