21450565575

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{193379}}^1$

素因数の和:193441

約数の個数: 72

約数和(自身を含む): 42083355600

約数和(自身を除く): 20632790025

約数列:

[1, 3, 5, 9, 15, 17, 25, 29, 45, 51, 75, 85, 87, 145, 153, 225, 255, 261, 425, 435, 493, 725, 765, 1275, 1305, 1479, 2175, 2465, 3825, 4437, 6525, 7395, 12325, 22185, 36975, 110925, 193379, 580137, 966895, 1740411, 2900685, 3287443, 4834475, 5607991, 8702055, 9862329, 14503425, 16437215, 16823973, 28039955, 29586987, 43510275, 49311645, 50471919, 82186075, 84119865, 95335847, 140199775, 147934935, 246558225, 252359595, 286007541, 420599325, 476679235, 739674675, 858022623, 1261797975, 1430037705, 2383396175, 4290113115, 7150188525, 21450565575]

約数ペア:

[(1, 21450565575), (3, 7150188525), (5, 4290113115), (9, 2383396175), (15, 1430037705), (17, 1261797975), (25, 858022623), (29, 739674675), (45, 476679235), (51, 420599325), (75, 286007541), (85, 252359595), (87, 246558225), (145, 147934935), (153, 140199775), (225, 95335847), (255, 84119865), (261, 82186075), (425, 50471919), (435, 49311645), (493, 43510275), (725, 29586987), (765, 28039955), (1275, 16823973), (1305, 16437215), (1479, 14503425), (2175, 9862329), (2465, 8702055), (3825, 5607991), (4437, 4834475), (6525, 3287443), (7395, 2900685), (12325, 1740411), (22185, 966895), (36975, 580137), (110925, 193379)]