18830151

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 40

約数和(自身を含む): 29647904

約数和(自身を除く): 10817753

約数列:

[1, 3, 9, 27, 37, 61, 81, 103, 111, 183, 309, 333, 549, 927, 999, 1647, 2257, 2781, 2997, 3811, 4941, 6283, 6771, 8343, 11433, 18849, 20313, 34299, 56547, 60939, 102897, 169641, 182817, 232471, 308691, 508923, 697413, 2092239, 6276717, 18830151]

約数ペア:

[(1, 18830151), (3, 6276717), (9, 2092239), (27, 697413), (37, 508923), (61, 308691), (81, 232471), (103, 182817), (111, 169641), (183, 102897), (309, 60939), (333, 56547), (549, 34299), (927, 20313), (999, 18849), (1647, 11433), (2257, 8343), (2781, 6771), (2997, 6283), (3811, 4941)]