2008643805

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{111871}}^1$

素因数の和:111911

約数の個数: 64

約数和(自身を含む): 4295884800

約数和(自身を除く): 2287240995

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 95, 105, 133, 135, 171, 189, 285, 315, 399, 513, 665, 855, 945, 1197, 1995, 2565, 3591, 5985, 17955, 111871, 335613, 559355, 783097, 1006839, 1678065, 2125549, 2349291, 3020517, 3915485, 5034195, 6376647, 7047873, 10627745, 11746455, 14878843, 15102585, 19129941, 21143619, 31883235, 35239365, 44636529, 57389823, 74394215, 95649705, 105718095, 133909587, 223182645, 286949115, 401728761, 669547935, 2008643805]

約数ペア:

[(1, 2008643805), (3, 669547935), (5, 401728761), (7, 286949115), (9, 223182645), (15, 133909587), (19, 105718095), (21, 95649705), (27, 74394215), (35, 57389823), (45, 44636529), (57, 35239365), (63, 31883235), (95, 21143619), (105, 19129941), (133, 15102585), (135, 14878843), (171, 11746455), (189, 10627745), (285, 7047873), (315, 6376647), (399, 5034195), (513, 3915485), (665, 3020517), (855, 2349291), (945, 2125549), (1197, 1678065), (1995, 1006839), (2565, 783097), (3591, 559355), (5985, 335613), (17955, 111871)]