53978673

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 85542912

約数和(自身を除く): 31564239

約数列:

[1, 3, 7, 21, 41, 71, 123, 213, 287, 497, 861, 883, 1491, 2649, 2911, 6181, 8733, 18543, 20377, 36203, 61131, 62693, 108609, 188079, 253421, 438851, 760263, 1316553, 2570413, 7711239, 17992891, 53978673]

約数ペア:

[(1, 53978673), (3, 17992891), (7, 7711239), (21, 2570413), (41, 1316553), (71, 760263), (123, 438851), (213, 253421), (287, 188079), (497, 108609), (861, 62693), (883, 61131), (1491, 36203), (2649, 20377), (2911, 18543), (6181, 8733)]