31881357

素因数分解:

$3^6\times {\mathrm{101}}^1\times {\mathrm{433}}^1$

素因数の和:552

約数の個数: 28

約数和(自身を含む): 48384924

約数和(自身を除く): 16503567

約数列:

[1, 3, 9, 27, 81, 101, 243, 303, 433, 729, 909, 1299, 2727, 3897, 8181, 11691, 24543, 35073, 43733, 73629, 105219, 131199, 315657, 393597, 1180791, 3542373, 10627119, 31881357]

約数ペア:

[(1, 31881357), (3, 10627119), (9, 3542373), (27, 1180791), (81, 393597), (101, 315657), (243, 131199), (303, 105219), (433, 73629), (729, 43733), (909, 35073), (1299, 24543), (2727, 11691), (3897, 8181)]