427978089

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{2441}}^1$

素因数の和:2499

約数の個数: 72

約数和(自身を含む): 810665856

約数和(自身を除く): 382687767

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 121, 161, 207, 231, 253, 363, 483, 693, 759, 847, 1089, 1449, 1771, 2277, 2441, 2541, 2783, 5313, 7323, 7623, 8349, 15939, 17087, 19481, 21969, 25047, 26851, 51261, 56143, 58443, 80553, 153783, 168429, 175329, 187957, 241659, 295361, 393001, 505287, 563871, 617573, 886083, 1179003, 1691613, 1852719, 2067527, 2658249, 3537009, 4323011, 5558157, 6202581, 6793303, 12969033, 18607743, 20379909, 38907099, 47553121, 61139727, 142659363, 427978089]

約数ペア:

[(1, 427978089), (3, 142659363), (7, 61139727), (9, 47553121), (11, 38907099), (21, 20379909), (23, 18607743), (33, 12969033), (63, 6793303), (69, 6202581), (77, 5558157), (99, 4323011), (121, 3537009), (161, 2658249), (207, 2067527), (231, 1852719), (253, 1691613), (363, 1179003), (483, 886083), (693, 617573), (759, 563871), (847, 505287), (1089, 393001), (1449, 295361), (1771, 241659), (2277, 187957), (2441, 175329), (2541, 168429), (2783, 153783), (5313, 80553), (7323, 58443), (7623, 56143), (8349, 51261), (15939, 26851), (17087, 25047), (19481, 21969)]