855139681

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 986259456

約数和(自身を除く): 131119775

約数列:

[1, 11, 31, 97, 103, 251, 341, 1067, 1133, 2761, 3007, 3193, 7781, 9991, 24347, 25853, 33077, 35123, 85591, 109901, 267817, 284383, 309721, 754757, 801443, 2507741, 3406931, 8302327, 8815873, 27585151, 77739971, 855139681]

約数ペア:

[(1, 855139681), (11, 77739971), (31, 27585151), (97, 8815873), (103, 8302327), (251, 3406931), (341, 2507741), (1067, 801443), (1133, 754757), (2761, 309721), (3007, 284383), (3193, 267817), (7781, 109901), (9991, 85591), (24347, 35123), (25853, 33077)]