81507858

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2621}}^1$

素因数の和:2770

約数の個数: 32

約数和(自身を含む): 167640192

約数和(自身を除く): 86132334

約数列:

[1, 2, 3, 6, 71, 73, 142, 146, 213, 219, 426, 438, 2621, 5183, 5242, 7863, 10366, 15549, 15726, 31098, 186091, 191333, 372182, 382666, 558273, 573999, 1116546, 1147998, 13584643, 27169286, 40753929, 81507858]

約数ペア:

[(1, 81507858), (2, 40753929), (3, 27169286), (6, 13584643), (71, 1147998), (73, 1116546), (142, 573999), (146, 558273), (213, 382666), (219, 372182), (426, 191333), (438, 186091), (2621, 31098), (5183, 15726), (5242, 15549), (7863, 10366)]