56730681

素因数分解:

$3^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{653}}^1$

素因数の和:870

約数の個数: 36

約数和(自身を含む): 95953572

約数和(自身を除く): 39222891

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 197, 441, 591, 653, 1379, 1773, 1959, 4137, 4571, 5877, 9653, 12411, 13713, 28959, 31997, 41139, 86877, 95991, 128641, 287973, 385923, 900487, 1157769, 2701461, 6303409, 8104383, 18910227, 56730681]

約数ペア:

[(1, 56730681), (3, 18910227), (7, 8104383), (9, 6303409), (21, 2701461), (49, 1157769), (63, 900487), (147, 385923), (197, 287973), (441, 128641), (591, 95991), (653, 86877), (1379, 41139), (1773, 31997), (1959, 28959), (4137, 13713), (4571, 12411), (5877, 9653)]