278643105

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{158771}}^1$

素因数の和:158798

約数の個数: 32

約数和(自身を含む): 533473920

約数和(自身を除く): 254830815

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 158771, 476313, 793855, 1428939, 2064023, 2381565, 4286817, 6192069, 7144695, 10320115, 18576207, 21434085, 30960345, 55728621, 92881035, 278643105]

約数ペア:

[(1, 278643105), (3, 92881035), (5, 55728621), (9, 30960345), (13, 21434085), (15, 18576207), (27, 10320115), (39, 7144695), (45, 6192069), (65, 4286817), (117, 2381565), (135, 2064023), (195, 1428939), (351, 793855), (585, 476313), (1755, 158771)]