31302885

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2213}}^1$

素因数の和:2285

約数の個数: 32

約数和(自身を含む): 53561088

約数和(自身を除く): 22258203

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 345, 615, 943, 2213, 2829, 4715, 6639, 11065, 14145, 33195, 50899, 90733, 152697, 254495, 272199, 453665, 763485, 1360995, 2086859, 6260577, 10434295, 31302885]

約数ペア:

[(1, 31302885), (3, 10434295), (5, 6260577), (15, 2086859), (23, 1360995), (41, 763485), (69, 453665), (115, 272199), (123, 254495), (205, 152697), (345, 90733), (615, 50899), (943, 33195), (2213, 14145), (2829, 11065), (4715, 6639)]