245867391

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 474439680

約数和(自身を除く): 228572289

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 71, 77, 99, 133, 171, 209, 213, 231, 263, 399, 497, 627, 639, 693, 781, 789, 1197, 1349, 1463, 1491, 1841, 1881, 2343, 2367, 2893, 4047, 4389, 4473, 4997, 5467, 5523, 7029, 8679, 9443, 12141, 13167, 14839, 14991, 16401, 16569, 18673, 20251, 26037, 28329, 34979, 44517, 44973, 49203, 54967, 56019, 60753, 84987, 103873, 104937, 130711, 133551, 164901, 168057, 182259, 205403, 311619, 314811, 354787, 384769, 392133, 494703, 616209, 934857, 1064361, 1154307, 1176399, 1437821, 1848627, 2483509, 3193083, 3462921, 3902657, 4313463, 7450527, 11707971, 12940389, 22351581, 27318599, 35123913, 81955797, 245867391]

約数ペア:

[(1, 245867391), (3, 81955797), (7, 35123913), (9, 27318599), (11, 22351581), (19, 12940389), (21, 11707971), (33, 7450527), (57, 4313463), (63, 3902657), (71, 3462921), (77, 3193083), (99, 2483509), (133, 1848627), (171, 1437821), (209, 1176399), (213, 1154307), (231, 1064361), (263, 934857), (399, 616209), (497, 494703), (627, 392133), (639, 384769), (693, 354787), (781, 314811), (789, 311619), (1197, 205403), (1349, 182259), (1463, 168057), (1491, 164901), (1841, 133551), (1881, 130711), (2343, 104937), (2367, 103873), (2893, 84987), (4047, 60753), (4389, 56019), (4473, 54967), (4997, 49203), (5467, 44973), (5523, 44517), (7029, 34979), (8679, 28329), (9443, 26037), (12141, 20251), (13167, 18673), (14839, 16569), (14991, 16401)]