72227145

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{719}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 119508480

約数和(自身を除く): 47281335

約数列:

[1, 3, 5, 15, 37, 111, 181, 185, 543, 555, 719, 905, 2157, 2715, 3595, 6697, 10785, 20091, 26603, 33485, 79809, 100455, 130139, 133015, 390417, 399045, 650695, 1952085, 4815143, 14445429, 24075715, 72227145]

約数ペア:

[(1, 72227145), (3, 24075715), (5, 14445429), (15, 4815143), (37, 1952085), (111, 650695), (181, 399045), (185, 390417), (543, 133015), (555, 130139), (719, 100455), (905, 79809), (2157, 33485), (2715, 26603), (3595, 20091), (6697, 10785)]