9980415

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1297}}^1$

素因数の和:1333

約数の個数: 40

約数和(自身を含む): 18846960

約数和(自身を除く): 8866545

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1297, 1539, 2565, 3891, 6485, 7695, 11673, 19455, 24643, 35019, 58365, 73929, 105057, 123215, 175095, 221787, 369645, 525285, 665361, 1108935, 1996083, 3326805, 9980415]

約数ペア:

[(1, 9980415), (3, 3326805), (5, 1996083), (9, 1108935), (15, 665361), (19, 525285), (27, 369645), (45, 221787), (57, 175095), (81, 123215), (95, 105057), (135, 73929), (171, 58365), (285, 35019), (405, 24643), (513, 19455), (855, 11673), (1297, 7695), (1539, 6485), (2565, 3891)]