17979507

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{757}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 33109440

約数和(自身を除く): 15129933

約数列:

[1, 3, 7, 9, 13, 21, 29, 39, 63, 87, 91, 117, 203, 261, 273, 377, 609, 757, 819, 1131, 1827, 2271, 2639, 3393, 5299, 6813, 7917, 9841, 15897, 21953, 23751, 29523, 47691, 65859, 68887, 88569, 153671, 197577, 206661, 285389, 461013, 619983, 856167, 1383039, 1997723, 2568501, 5993169, 17979507]

約数ペア:

[(1, 17979507), (3, 5993169), (7, 2568501), (9, 1997723), (13, 1383039), (21, 856167), (29, 619983), (39, 461013), (63, 285389), (87, 206661), (91, 197577), (117, 153671), (203, 88569), (261, 68887), (273, 65859), (377, 47691), (609, 29523), (757, 23751), (819, 21953), (1131, 15897), (1827, 9841), (2271, 7917), (2639, 6813), (3393, 5299)]