71960175

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:198

約数の個数: 108

約数和(自身を含む): 153813816

約数和(自身を除く): 81853641

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 61, 63, 75, 105, 107, 147, 175, 183, 225, 245, 305, 315, 321, 427, 441, 525, 535, 549, 735, 749, 915, 963, 1225, 1281, 1525, 1575, 1605, 2135, 2205, 2247, 2675, 2745, 2989, 3675, 3745, 3843, 4575, 4815, 5243, 6405, 6527, 6741, 8025, 8967, 10675, 11025, 11235, 13725, 14945, 15729, 18725, 19215, 19581, 24075, 26215, 26901, 32025, 32635, 33705, 44835, 45689, 47187, 56175, 58743, 74725, 78645, 96075, 97905, 131075, 134505, 137067, 163175, 168525, 224175, 228445, 235935, 293715, 319823, 393225, 411201, 489525, 672525, 685335, 959469, 1142225, 1179675, 1468575, 1599115, 2056005, 2878407, 3426675, 4797345, 7995575, 10280025, 14392035, 23986725, 71960175]

約数ペア:

[(1, 71960175), (3, 23986725), (5, 14392035), (7, 10280025), (9, 7995575), (15, 4797345), (21, 3426675), (25, 2878407), (35, 2056005), (45, 1599115), (49, 1468575), (61, 1179675), (63, 1142225), (75, 959469), (105, 685335), (107, 672525), (147, 489525), (175, 411201), (183, 393225), (225, 319823), (245, 293715), (305, 235935), (315, 228445), (321, 224175), (427, 168525), (441, 163175), (525, 137067), (535, 134505), (549, 131075), (735, 97905), (749, 96075), (915, 78645), (963, 74725), (1225, 58743), (1281, 56175), (1525, 47187), (1575, 45689), (1605, 44835), (2135, 33705), (2205, 32635), (2247, 32025), (2675, 26901), (2745, 26215), (2989, 24075), (3675, 19581), (3745, 19215), (3843, 18725), (4575, 15729), (4815, 14945), (5243, 13725), (6405, 11235), (6527, 11025), (6741, 10675), (8025, 8967)]