25988391

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 20460249

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 53, 99, 117, 127, 143, 159, 297, 351, 381, 429, 477, 583, 689, 1143, 1287, 1397, 1431, 1651, 1749, 2067, 3429, 3861, 4191, 4953, 5247, 6201, 6731, 7579, 12573, 14859, 15741, 18161, 18603, 20193, 22737, 37719, 44577, 54483, 60579, 68211, 74041, 87503, 163449, 181737, 204633, 222123, 262509, 490347, 666369, 787527, 962533, 1999107, 2362581, 2887599, 8662797, 25988391]

約数ペア:

[(1, 25988391), (3, 8662797), (9, 2887599), (11, 2362581), (13, 1999107), (27, 962533), (33, 787527), (39, 666369), (53, 490347), (99, 262509), (117, 222123), (127, 204633), (143, 181737), (159, 163449), (297, 87503), (351, 74041), (381, 68211), (429, 60579), (477, 54483), (583, 44577), (689, 37719), (1143, 22737), (1287, 20193), (1397, 18603), (1431, 18161), (1651, 15741), (1749, 14859), (2067, 12573), (3429, 7579), (3861, 6731), (4191, 6201), (4953, 5247)]