71543979

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{67943}}^1$

素因数の和:67968

約数の個数: 20

約数和(自身を含む): 115097136

約数和(自身を除く): 43553157

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 67943, 203829, 611487, 883259, 1834461, 2649777, 5503383, 7949331, 23847993, 71543979]

約数ペア:

[(1, 71543979), (3, 23847993), (9, 7949331), (13, 5503383), (27, 2649777), (39, 1834461), (81, 883259), (117, 611487), (351, 203829), (1053, 67943)]