72947017

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 93308544

約数和(自身を除く): 20361527

約数列:

[1, 11, 13, 17, 37, 143, 187, 221, 407, 481, 629, 811, 2431, 5291, 6919, 8177, 8921, 10543, 13787, 30007, 89947, 115973, 151657, 179231, 330077, 390091, 510119, 1971541, 4291001, 5611309, 6631547, 72947017]

約数ペア:

[(1, 72947017), (11, 6631547), (13, 5611309), (17, 4291001), (37, 1971541), (143, 510119), (187, 390091), (221, 330077), (407, 179231), (481, 151657), (629, 115973), (811, 89947), (2431, 30007), (5291, 13787), (6919, 10543), (8177, 8921)]