87198153

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{251}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 135862272

約数和(自身を除く): 48664119

約数列:

[1, 3, 7, 21, 71, 213, 233, 251, 497, 699, 753, 1491, 1631, 1757, 4893, 5271, 16543, 17821, 49629, 53463, 58483, 115801, 124747, 175449, 347403, 374241, 409381, 1228143, 4152293, 12456879, 29066051, 87198153]

約数ペア:

[(1, 87198153), (3, 29066051), (7, 12456879), (21, 4152293), (71, 1228143), (213, 409381), (233, 374241), (251, 347403), (497, 175449), (699, 124747), (753, 115801), (1491, 58483), (1631, 53463), (1757, 49629), (4893, 17821), (5271, 16543)]