26435385

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 22086855

約数列:

[1, 3, 5, 9, 15, 29, 45, 47, 87, 141, 145, 235, 261, 423, 431, 435, 705, 1293, 1305, 1363, 2115, 2155, 3879, 4089, 6465, 6815, 12267, 12499, 19395, 20257, 20445, 37497, 60771, 61335, 62495, 101285, 112491, 182313, 187485, 303855, 562455, 587453, 911565, 1762359, 2937265, 5287077, 8811795, 26435385]

約数ペア:

[(1, 26435385), (3, 8811795), (5, 5287077), (9, 2937265), (15, 1762359), (29, 911565), (45, 587453), (47, 562455), (87, 303855), (141, 187485), (145, 182313), (235, 112491), (261, 101285), (423, 62495), (431, 61335), (435, 60771), (705, 37497), (1293, 20445), (1305, 20257), (1363, 19395), (2115, 12499), (2155, 12267), (3879, 6815), (4089, 6465)]