31951449

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 50561280

約数和(自身を除く): 18609831

約数列:

[1, 3, 9, 17, 27, 51, 151, 153, 453, 459, 461, 1359, 1383, 2567, 4077, 4149, 7701, 7837, 12447, 23103, 23511, 69309, 69611, 70533, 208833, 211599, 626499, 1183387, 1879497, 3550161, 10650483, 31951449]

約数ペア:

[(1, 31951449), (3, 10650483), (9, 3550161), (17, 1879497), (27, 1183387), (51, 626499), (151, 211599), (153, 208833), (453, 70533), (459, 69611), (461, 69309), (1359, 23511), (1383, 23103), (2567, 12447), (4077, 7837), (4149, 7701)]