261972018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17183}}^1$

素因数の和:17220

約数の個数: 72

約数和(自身を含む): 713067264

約数和(自身を除く): 451095246

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 121, 126, 154, 198, 231, 242, 363, 462, 693, 726, 847, 1089, 1386, 1694, 2178, 2541, 5082, 7623, 15246, 17183, 34366, 51549, 103098, 120281, 154647, 189013, 240562, 309294, 360843, 378026, 567039, 721686, 1082529, 1134078, 1323091, 1701117, 2079143, 2165058, 2646182, 3402234, 3969273, 4158286, 6237429, 7938546, 11907819, 12474858, 14554001, 18712287, 23815638, 29108002, 37424574, 43662003, 87324006, 130986009, 261972018]

約数ペア:

[(1, 261972018), (2, 130986009), (3, 87324006), (6, 43662003), (7, 37424574), (9, 29108002), (11, 23815638), (14, 18712287), (18, 14554001), (21, 12474858), (22, 11907819), (33, 7938546), (42, 6237429), (63, 4158286), (66, 3969273), (77, 3402234), (99, 2646182), (121, 2165058), (126, 2079143), (154, 1701117), (198, 1323091), (231, 1134078), (242, 1082529), (363, 721686), (462, 567039), (693, 378026), (726, 360843), (847, 309294), (1089, 240562), (1386, 189013), (1694, 154647), (2178, 120281), (2541, 103098), (5082, 51549), (7623, 34366), (15246, 17183)]