71228025

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 146240640

約数和(自身を除く): 75012615

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 53, 55, 75, 99, 135, 159, 165, 181, 225, 265, 275, 297, 477, 495, 543, 583, 675, 795, 825, 905, 1325, 1431, 1485, 1629, 1749, 1991, 2385, 2475, 2715, 2915, 3975, 4525, 4887, 5247, 5973, 7155, 7425, 8145, 8745, 9593, 9955, 11925, 13575, 14575, 15741, 17919, 24435, 26235, 28779, 29865, 35775, 40725, 43725, 47965, 49775, 53757, 78705, 86337, 89595, 105523, 122175, 131175, 143895, 149325, 239825, 259011, 268785, 316569, 393525, 431685, 447975, 527615, 719475, 949707, 1295055, 1343925, 1582845, 2158425, 2638075, 2849121, 4748535, 6475275, 7914225, 14245605, 23742675, 71228025]

約数ペア:

[(1, 71228025), (3, 23742675), (5, 14245605), (9, 7914225), (11, 6475275), (15, 4748535), (25, 2849121), (27, 2638075), (33, 2158425), (45, 1582845), (53, 1343925), (55, 1295055), (75, 949707), (99, 719475), (135, 527615), (159, 447975), (165, 431685), (181, 393525), (225, 316569), (265, 268785), (275, 259011), (297, 239825), (477, 149325), (495, 143895), (543, 131175), (583, 122175), (675, 105523), (795, 89595), (825, 86337), (905, 78705), (1325, 53757), (1431, 49775), (1485, 47965), (1629, 43725), (1749, 40725), (1991, 35775), (2385, 29865), (2475, 28779), (2715, 26235), (2915, 24435), (3975, 17919), (4525, 15741), (4887, 14575), (5247, 13575), (5973, 11925), (7155, 9955), (7425, 9593), (8145, 8745)]