15690793419

素因数分解:

$3^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{211247}}^1$

素因数の和:211397

約数の個数: 40

約数和(自身を含む): 26992424448

約数和(自身を除く): 11301631029

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 131, 189, 393, 567, 917, 1179, 2751, 3537, 8253, 10611, 24759, 74277, 211247, 633741, 1478729, 1901223, 4436187, 5703669, 13308561, 17111007, 27673357, 39925683, 83020071, 119777049, 193713499, 249060213, 581140497, 747180639, 1743421491, 2241541917, 5230264473, 15690793419]

約数ペア:

[(1, 15690793419), (3, 5230264473), (7, 2241541917), (9, 1743421491), (21, 747180639), (27, 581140497), (63, 249060213), (81, 193713499), (131, 119777049), (189, 83020071), (393, 39925683), (567, 27673357), (917, 17111007), (1179, 13308561), (2751, 5703669), (3537, 4436187), (8253, 1901223), (10611, 1478729), (24759, 633741), (74277, 211247)]