259362243

素因数分解:

$3^4\times 7^2\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:774

約数の個数: 60

約数和(自身を含む): 455864112

約数和(自身を除く): 196501869

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 101, 147, 189, 303, 441, 567, 647, 707, 909, 1323, 1941, 2121, 2727, 3969, 4529, 4949, 5823, 6363, 8181, 13587, 14847, 17469, 19089, 31703, 40761, 44541, 52407, 57267, 65347, 95109, 122283, 133623, 196041, 285327, 366849, 400869, 457429, 588123, 855981, 1372287, 1764369, 2567943, 3202003, 4116861, 5293107, 9606009, 12350583, 28818027, 37051749, 86454081, 259362243]

約数ペア:

[(1, 259362243), (3, 86454081), (7, 37051749), (9, 28818027), (21, 12350583), (27, 9606009), (49, 5293107), (63, 4116861), (81, 3202003), (101, 2567943), (147, 1764369), (189, 1372287), (303, 855981), (441, 588123), (567, 457429), (647, 400869), (707, 366849), (909, 285327), (1323, 196041), (1941, 133623), (2121, 122283), (2727, 95109), (3969, 65347), (4529, 57267), (4949, 52407), (5823, 44541), (6363, 40761), (8181, 31703), (13587, 19089), (14847, 17469)]