220980315

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1\times {\mathrm{563}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 358649856

約数和(自身を除く): 137669541

約数列:

[1, 3, 5, 15, 137, 191, 411, 563, 573, 685, 955, 1689, 2055, 2815, 2865, 8445, 26167, 77131, 78501, 107533, 130835, 231393, 322599, 385655, 392505, 537665, 1156965, 1612995, 14732021, 44196063, 73660105, 220980315]

約数ペア:

[(1, 220980315), (3, 73660105), (5, 44196063), (15, 14732021), (137, 1612995), (191, 1156965), (411, 537665), (563, 392505), (573, 385655), (685, 322599), (955, 231393), (1689, 130835), (2055, 107533), (2815, 78501), (2865, 77131), (8445, 26167)]