81001263

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{19001}}^1$

素因数の和:19047

約数の個数: 24

約数和(自身を含む): 129973680

約数和(自身を除く): 48972417

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 19001, 57003, 133007, 399021, 551029, 931049, 1653087, 2793147, 3857203, 11571609, 27000421, 81001263]

約数ペア:

[(1, 81001263), (3, 27000421), (7, 11571609), (21, 3857203), (29, 2793147), (49, 1653087), (87, 931049), (147, 551029), (203, 399021), (609, 133007), (1421, 57003), (4263, 19001)]