156742065

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{17681}}^1$

素因数の和:17889

約数の個数: 24

約数和(自身を含む): 273080808

約数和(自身を除く): 116338743

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2955, 8865, 17681, 53043, 88405, 159129, 265215, 795645, 3483157, 10449471, 17415785, 31348413, 52247355, 156742065]

約数ペア:

[(1, 156742065), (3, 52247355), (5, 31348413), (9, 17415785), (15, 10449471), (45, 3483157), (197, 795645), (591, 265215), (985, 159129), (1773, 88405), (2955, 53043), (8865, 17681)]