869065281

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:792

約数の個数: 80

約数和(自身を含む): 1565650944

約数和(自身を除く): 696585663

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 103, 161, 189, 207, 309, 483, 567, 621, 647, 721, 927, 1449, 1863, 1941, 2163, 2369, 2781, 4347, 4529, 5823, 6489, 7107, 8343, 13041, 13587, 14881, 16583, 17469, 19467, 21321, 40761, 44643, 49749, 52407, 58401, 63963, 66641, 104167, 122283, 133929, 149247, 191889, 199923, 312501, 366849, 401787, 447741, 466487, 599769, 937503, 1205361, 1343223, 1399461, 1532743, 1799307, 2812509, 4198383, 4598229, 5397921, 8437527, 10729201, 12595149, 13794687, 32187603, 37785447, 41384061, 96562809, 124152183, 289688427, 869065281]

約数ペア:

[(1, 869065281), (3, 289688427), (7, 124152183), (9, 96562809), (21, 41384061), (23, 37785447), (27, 32187603), (63, 13794687), (69, 12595149), (81, 10729201), (103, 8437527), (161, 5397921), (189, 4598229), (207, 4198383), (309, 2812509), (483, 1799307), (567, 1532743), (621, 1399461), (647, 1343223), (721, 1205361), (927, 937503), (1449, 599769), (1863, 466487), (1941, 447741), (2163, 401787), (2369, 366849), (2781, 312501), (4347, 199923), (4529, 191889), (5823, 149247), (6489, 133929), (7107, 122283), (8343, 104167), (13041, 66641), (13587, 63963), (14881, 58401), (16583, 52407), (17469, 49749), (19467, 44643), (21321, 40761)]