201321393

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 348364800

約数和(自身を除く): 147043407

約数列:

[1, 3, 7, 13, 21, 29, 39, 59, 87, 91, 177, 203, 273, 377, 413, 431, 609, 767, 1131, 1239, 1293, 1711, 2301, 2639, 3017, 5133, 5369, 5603, 7917, 9051, 11977, 12499, 16107, 16809, 22243, 25429, 35931, 37497, 39221, 66729, 76287, 87493, 117663, 155701, 162487, 178003, 262479, 330577, 467103, 487461, 534009, 737441, 991731, 1137409, 2212323, 2314039, 3412227, 5162087, 6942117, 9586733, 15486261, 28760199, 67107131, 201321393]

約数ペア:

[(1, 201321393), (3, 67107131), (7, 28760199), (13, 15486261), (21, 9586733), (29, 6942117), (39, 5162087), (59, 3412227), (87, 2314039), (91, 2212323), (177, 1137409), (203, 991731), (273, 737441), (377, 534009), (413, 487461), (431, 467103), (609, 330577), (767, 262479), (1131, 178003), (1239, 162487), (1293, 155701), (1711, 117663), (2301, 87493), (2639, 76287), (3017, 66729), (5133, 39221), (5369, 37497), (5603, 35931), (7917, 25429), (9051, 22243), (11977, 16809), (12499, 16107)]