249778845

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{751}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 457516800

約数和(自身を除く): 207737955

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 389, 751, 855, 1167, 1945, 2253, 3501, 3755, 5835, 6759, 7391, 11265, 14269, 17505, 22173, 33795, 36955, 42807, 66519, 71345, 110865, 128421, 214035, 292139, 332595, 642105, 876417, 1460695, 2629251, 4382085, 5550641, 13146255, 16651923, 27753205, 49955769, 83259615, 249778845]

約数ペア:

[(1, 249778845), (3, 83259615), (5, 49955769), (9, 27753205), (15, 16651923), (19, 13146255), (45, 5550641), (57, 4382085), (95, 2629251), (171, 1460695), (285, 876417), (389, 642105), (751, 332595), (855, 292139), (1167, 214035), (1945, 128421), (2253, 110865), (3501, 71345), (3755, 66519), (5835, 42807), (6759, 36955), (7391, 33795), (11265, 22173), (14269, 17505)]