1640280105

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{714719}}^1$

素因数の和:714750

約数の個数: 32

約数和(自身を含む): 3087590400

約数和(自身を除く): 1447310295

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 714719, 2144157, 3573595, 6432471, 10720785, 12150223, 19297413, 32162355, 36450669, 60751115, 96487065, 109352007, 182253345, 328056021, 546760035, 1640280105]

約数ペア:

[(1, 1640280105), (3, 546760035), (5, 328056021), (9, 182253345), (15, 109352007), (17, 96487065), (27, 60751115), (45, 36450669), (51, 32162355), (85, 19297413), (135, 12150223), (153, 10720785), (255, 6432471), (459, 3573595), (765, 2144157), (2295, 714719)]