25738515

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 51040080

約数和(自身を除く): 25301565

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 121, 145, 163, 165, 261, 319, 363, 435, 489, 495, 605, 815, 957, 1089, 1305, 1467, 1595, 1793, 1815, 2445, 2871, 3509, 4727, 4785, 5379, 5445, 7335, 8965, 10527, 14181, 14355, 16137, 17545, 19723, 23635, 26895, 31581, 42543, 51997, 52635, 59169, 70905, 80685, 98615, 155991, 157905, 177507, 212715, 259985, 295845, 467973, 571967, 779955, 887535, 1715901, 2339865, 2859835, 5147703, 8579505, 25738515]

約数ペア:

[(1, 25738515), (3, 8579505), (5, 5147703), (9, 2859835), (11, 2339865), (15, 1715901), (29, 887535), (33, 779955), (45, 571967), (55, 467973), (87, 295845), (99, 259985), (121, 212715), (145, 177507), (163, 157905), (165, 155991), (261, 98615), (319, 80685), (363, 70905), (435, 59169), (489, 52635), (495, 51997), (605, 42543), (815, 31581), (957, 26895), (1089, 23635), (1305, 19723), (1467, 17545), (1595, 16137), (1793, 14355), (1815, 14181), (2445, 10527), (2871, 8965), (3509, 7335), (4727, 5445), (4785, 5379)]