26699517

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 45830400

約数和(自身を除く): 19130883

約数列:

[1, 3, 9, 13, 27, 29, 39, 43, 61, 87, 117, 129, 183, 261, 351, 377, 387, 549, 559, 783, 793, 1131, 1161, 1247, 1647, 1677, 1769, 2379, 2623, 3393, 3741, 5031, 5307, 7137, 7869, 10179, 11223, 15093, 15921, 16211, 21411, 22997, 23607, 33669, 34099, 47763, 48633, 68991, 70821, 76067, 102297, 145899, 206973, 228201, 306891, 437697, 620919, 684603, 920673, 988871, 2053809, 2966613, 8899839, 26699517]

約数ペア:

[(1, 26699517), (3, 8899839), (9, 2966613), (13, 2053809), (27, 988871), (29, 920673), (39, 684603), (43, 620919), (61, 437697), (87, 306891), (117, 228201), (129, 206973), (183, 145899), (261, 102297), (351, 76067), (377, 70821), (387, 68991), (549, 48633), (559, 47763), (783, 34099), (793, 33669), (1131, 23607), (1161, 22997), (1247, 21411), (1647, 16211), (1677, 15921), (1769, 15093), (2379, 11223), (2623, 10179), (3393, 7869), (3741, 7137), (5031, 5307)]