840782889

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:695

約数の個数: 64

約数和(自身を含む): 1397664000

約数和(自身を除く): 556881111

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 229, 323, 421, 459, 513, 687, 969, 1263, 2061, 2907, 3789, 3893, 4351, 6183, 7157, 7999, 8721, 11367, 11679, 13053, 21471, 23997, 35037, 39159, 64413, 71991, 73967, 96409, 105111, 117477, 135983, 193239, 215973, 221901, 289227, 407949, 665703, 867681, 1223847, 1638953, 1831771, 1997109, 2603043, 3671541, 4916859, 5495313, 14750577, 16485939, 31140107, 44251731, 49457817, 93420321, 280260963, 840782889]

約数ペア:

[(1, 840782889), (3, 280260963), (9, 93420321), (17, 49457817), (19, 44251731), (27, 31140107), (51, 16485939), (57, 14750577), (153, 5495313), (171, 4916859), (229, 3671541), (323, 2603043), (421, 1997109), (459, 1831771), (513, 1638953), (687, 1223847), (969, 867681), (1263, 665703), (2061, 407949), (2907, 289227), (3789, 221901), (3893, 215973), (4351, 193239), (6183, 135983), (7157, 117477), (7999, 105111), (8721, 96409), (11367, 73967), (11679, 71991), (13053, 64413), (21471, 39159), (23997, 35037)]