72421503

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 128950272

約数和(自身を除く): 56528769

約数列:

[1, 3, 7, 11, 21, 23, 33, 43, 69, 77, 129, 161, 231, 253, 301, 317, 473, 483, 759, 903, 951, 989, 1419, 1771, 2219, 2967, 3311, 3487, 5313, 6657, 6923, 7291, 9933, 10461, 10879, 13631, 20769, 21873, 24409, 32637, 40893, 51037, 73227, 76153, 80201, 95417, 149941, 153111, 228459, 240603, 286251, 313513, 449823, 561407, 940539, 1049587, 1684221, 2194591, 3148761, 3448643, 6583773, 10345929, 24140501, 72421503]

約数ペア:

[(1, 72421503), (3, 24140501), (7, 10345929), (11, 6583773), (21, 3448643), (23, 3148761), (33, 2194591), (43, 1684221), (69, 1049587), (77, 940539), (129, 561407), (161, 449823), (231, 313513), (253, 286251), (301, 240603), (317, 228459), (473, 153111), (483, 149941), (759, 95417), (903, 80201), (951, 76153), (989, 73227), (1419, 51037), (1771, 40893), (2219, 32637), (2967, 24409), (3311, 21873), (3487, 20769), (5313, 13631), (6657, 10879), (6923, 10461), (7291, 9933)]