161909547

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 234027072

約数和(自身を除く): 72117525

約数列:

[1, 3, 17, 51, 73, 157, 219, 277, 471, 831, 1241, 2669, 3723, 4709, 8007, 11461, 14127, 20221, 34383, 43489, 60663, 130467, 194837, 343757, 584511, 739313, 1031271, 2217939, 3174697, 9524091, 53969849, 161909547]

約数ペア:

[(1, 161909547), (3, 53969849), (17, 9524091), (51, 3174697), (73, 2217939), (157, 1031271), (219, 739313), (277, 584511), (471, 343757), (831, 194837), (1241, 130467), (2669, 60663), (3723, 43489), (4709, 34383), (8007, 20221), (11461, 14127)]