721000229859

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17261611}}^1$

素因数の和:17261657

約数の個数: 64

約数和(自身を含む): 1391976391680

約数和(自身を除く): 670976161821

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 91, 117, 119, 153, 189, 221, 273, 351, 357, 459, 663, 819, 1071, 1547, 1989, 2457, 3213, 4641, 5967, 13923, 41769, 17261611, 51784833, 120831277, 155354499, 224400943, 293447387, 362493831, 466063497, 673202829, 880342161, 1087481493, 1570806601, 2019608487, 2054131709, 2641026483, 3262444479, 3814816031, 4712419803, 6058825461, 6162395127, 7923079449, 11444448093, 14137259409, 18487185381, 26703712217, 34333344279, 42411778227, 55461556143, 80111136651, 103000032837, 240333409953, 721000229859]

約数ペア:

[(1, 721000229859), (3, 240333409953), (7, 103000032837), (9, 80111136651), (13, 55461556143), (17, 42411778227), (21, 34333344279), (27, 26703712217), (39, 18487185381), (51, 14137259409), (63, 11444448093), (91, 7923079449), (117, 6162395127), (119, 6058825461), (153, 4712419803), (189, 3814816031), (221, 3262444479), (273, 2641026483), (351, 2054131709), (357, 2019608487), (459, 1570806601), (663, 1087481493), (819, 880342161), (1071, 673202829), (1547, 466063497), (1989, 362493831), (2457, 293447387), (3213, 224400943), (4641, 155354499), (5967, 120831277), (13923, 51784833), (41769, 17261611)]