87186561

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{661}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 145406976

約数和(自身を除く): 58220415

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 571, 661, 1713, 1983, 3997, 4627, 6281, 7271, 11991, 13881, 18843, 21813, 43967, 50897, 131901, 152691, 377431, 1132293, 2642017, 4151741, 7926051, 12455223, 29062187, 87186561]

約数ペア:

[(1, 87186561), (3, 29062187), (7, 12455223), (11, 7926051), (21, 4151741), (33, 2642017), (77, 1132293), (231, 377431), (571, 152691), (661, 131901), (1713, 50897), (1983, 43967), (3997, 21813), (4627, 18843), (6281, 13881), (7271, 11991)]