81215844

素因数分解:

$2^2\times 3^1\times {\mathrm{743}}^1\times {\mathrm{9109}}^1$

素因数の和:9859

約数の個数: 24

約数和(自身を含む): 189779520

約数和(自身を除く): 108563676

約数列:

[1, 2, 3, 4, 6, 12, 743, 1486, 2229, 2972, 4458, 8916, 9109, 18218, 27327, 36436, 54654, 109308, 6767987, 13535974, 20303961, 27071948, 40607922, 81215844]

約数ペア:

[(1, 81215844), (2, 40607922), (3, 27071948), (4, 20303961), (6, 13535974), (12, 6767987), (743, 109308), (1486, 54654), (2229, 36436), (2972, 27327), (4458, 18218), (8916, 9109)]