19929105

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21089}}^1$

素因数の和:21110

約数の個数: 32

約数和(自身を含む): 40492800

約数和(自身を除く): 20563695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21089, 63267, 105445, 147623, 189801, 316335, 442869, 569403, 738115, 949005, 1328607, 2214345, 2847015, 3985821, 6643035, 19929105]

約数ペア:

[(1, 19929105), (3, 6643035), (5, 3985821), (7, 2847015), (9, 2214345), (15, 1328607), (21, 949005), (27, 738115), (35, 569403), (45, 442869), (63, 316335), (105, 189801), (135, 147623), (189, 105445), (315, 63267), (945, 21089)]