72345405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3347}}^1$

素因数の和:3497

約数の個数: 32

約数和(自身を含む): 127277568

約数和(自身を除く): 54932163

約数列:

[1, 3, 5, 11, 15, 33, 55, 131, 165, 393, 655, 1441, 1965, 3347, 4323, 7205, 10041, 16735, 21615, 36817, 50205, 110451, 184085, 438457, 552255, 1315371, 2192285, 4823027, 6576855, 14469081, 24115135, 72345405]

約数ペア:

[(1, 72345405), (3, 24115135), (5, 14469081), (11, 6576855), (15, 4823027), (33, 2192285), (55, 1315371), (131, 552255), (165, 438457), (393, 184085), (655, 110451), (1441, 50205), (1965, 36817), (3347, 21615), (4323, 16735), (7205, 10041)]