31812831

素因数分解:

$3^6\times {\mathrm{17}}^2\times {\mathrm{151}}^1$

素因数の和:203

約数の個数: 42

約数和(自身を含む): 51003752

約数和(自身を除く): 19190921

約数列:

[1, 3, 9, 17, 27, 51, 81, 151, 153, 243, 289, 453, 459, 729, 867, 1359, 1377, 2567, 2601, 4077, 4131, 7701, 7803, 12231, 12393, 23103, 23409, 36693, 43639, 69309, 70227, 110079, 130917, 207927, 210681, 392751, 623781, 1178253, 1871343, 3534759, 10604277, 31812831]

約数ペア:

[(1, 31812831), (3, 10604277), (9, 3534759), (17, 1871343), (27, 1178253), (51, 623781), (81, 392751), (151, 210681), (153, 207927), (243, 130917), (289, 110079), (453, 70227), (459, 69309), (729, 43639), (867, 36693), (1359, 23409), (1377, 23103), (2567, 12393), (2601, 12231), (4077, 7803), (4131, 7701)]