15861231

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 9021969

約数列:

[1, 3, 9, 27, 29, 47, 87, 141, 261, 423, 431, 783, 1269, 1293, 1363, 3879, 4089, 11637, 12267, 12499, 20257, 36801, 37497, 60771, 112491, 182313, 337473, 546939, 587453, 1762359, 5287077, 15861231]

約数ペア:

[(1, 15861231), (3, 5287077), (9, 1762359), (27, 587453), (29, 546939), (47, 337473), (87, 182313), (141, 112491), (261, 60771), (423, 37497), (431, 36801), (783, 20257), (1269, 12499), (1293, 12267), (1363, 11637), (3879, 4089)]