253322013

素因数分解:

$3^1\times 7^2\times {\mathrm{821}}^1\times {\mathrm{2099}}^1$

素因数の和:2937

約数の個数: 24

約数和(自身を含む): 393573600

約数和(自身を除く): 140251587

約数列:

[1, 3, 7, 21, 49, 147, 821, 2099, 2463, 5747, 6297, 14693, 17241, 40229, 44079, 102851, 120687, 308553, 1723279, 5169837, 12062953, 36188859, 84440671, 253322013]

約数ペア:

[(1, 253322013), (3, 84440671), (7, 36188859), (21, 12062953), (49, 5169837), (147, 1723279), (821, 308553), (2099, 120687), (2463, 102851), (5747, 44079), (6297, 40229), (14693, 17241)]