81609822

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{215899}}^1$

素因数の和:215917

約数の個数: 32

約数和(自身を含む): 207264000

約数和(自身を除く): 125654178

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 215899, 431798, 647697, 1295394, 1511293, 1943091, 3022586, 3886182, 4533879, 5829273, 9067758, 11658546, 13601637, 27203274, 40804911, 81609822]

約数ペア:

[(1, 81609822), (2, 40804911), (3, 27203274), (6, 13601637), (7, 11658546), (9, 9067758), (14, 5829273), (18, 4533879), (21, 3886182), (27, 3022586), (42, 1943091), (54, 1511293), (63, 1295394), (126, 647697), (189, 431798), (378, 215899)]