31672263

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 50434560

約数和(自身を除く): 18762297

約数列:

[1, 3, 7, 21, 29, 87, 131, 203, 393, 397, 609, 917, 1191, 2751, 2779, 3799, 8337, 11397, 11513, 26593, 34539, 52007, 79779, 80591, 156021, 241773, 364049, 1092147, 1508203, 4524609, 10557421, 31672263]

約数ペア:

[(1, 31672263), (3, 10557421), (7, 4524609), (21, 1508203), (29, 1092147), (87, 364049), (131, 241773), (203, 156021), (393, 80591), (397, 79779), (609, 52007), (917, 34539), (1191, 26593), (2751, 11513), (2779, 11397), (3799, 8337)]