20142135

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 40320000

約数和(自身を除く): 20177865

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 115, 117, 135, 195, 207, 299, 345, 351, 499, 585, 621, 897, 1035, 1495, 1497, 1755, 2495, 2691, 3105, 4485, 4491, 6487, 7485, 8073, 11477, 13455, 13473, 19461, 22455, 32435, 34431, 40365, 57385, 58383, 67365, 97305, 103293, 149201, 172155, 175149, 291915, 309879, 447603, 516465, 746005, 875745, 1342809, 1549395, 2238015, 4028427, 6714045, 20142135]

約数ペア:

[(1, 20142135), (3, 6714045), (5, 4028427), (9, 2238015), (13, 1549395), (15, 1342809), (23, 875745), (27, 746005), (39, 516465), (45, 447603), (65, 309879), (69, 291915), (115, 175149), (117, 172155), (135, 149201), (195, 103293), (207, 97305), (299, 67365), (345, 58383), (351, 57385), (499, 40365), (585, 34431), (621, 32435), (897, 22455), (1035, 19461), (1495, 13473), (1497, 13455), (1755, 11477), (2495, 8073), (2691, 7485), (3105, 6487), (4485, 4491)]