74494791

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 127505664

約数和(自身を除く): 53010873

約数列:

[1, 3, 7, 9, 21, 43, 63, 107, 129, 257, 301, 321, 387, 749, 771, 903, 963, 1799, 2247, 2313, 2709, 4601, 5397, 6741, 11051, 13803, 16191, 27499, 32207, 33153, 41409, 77357, 82497, 96621, 99459, 192493, 232071, 247491, 289863, 577479, 696213, 1182457, 1732437, 3547371, 8277199, 10642113, 24831597, 74494791]

約数ペア:

[(1, 74494791), (3, 24831597), (7, 10642113), (9, 8277199), (21, 3547371), (43, 1732437), (63, 1182457), (107, 696213), (129, 577479), (257, 289863), (301, 247491), (321, 232071), (387, 192493), (749, 99459), (771, 96621), (903, 82497), (963, 77357), (1799, 41409), (2247, 33153), (2313, 32207), (2709, 27499), (4601, 16191), (5397, 13803), (6741, 11051)]