85931013

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2121

約数の個数: 32

約数和(自身を含む): 138240000

約数和(自身を除く): 52308987

約数列:

[1, 3, 7, 21, 23, 69, 89, 161, 267, 483, 623, 1869, 1999, 2047, 5997, 6141, 13993, 14329, 41979, 42987, 45977, 137931, 177911, 321839, 533733, 965517, 1245377, 3736131, 4091953, 12275859, 28643671, 85931013]

約数ペア:

[(1, 85931013), (3, 28643671), (7, 12275859), (21, 4091953), (23, 3736131), (69, 1245377), (89, 965517), (161, 533733), (267, 321839), (483, 177911), (623, 137931), (1869, 45977), (1999, 42987), (2047, 41979), (5997, 14329), (6141, 13993)]