25144275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 96

約数和(自身を含む): 49871808

約数和(自身を除く): 24727533

約数列:

[1, 3, 5, 13, 15, 17, 25, 37, 39, 41, 51, 65, 75, 85, 111, 123, 185, 195, 205, 221, 255, 325, 425, 481, 533, 555, 615, 629, 663, 697, 925, 975, 1025, 1105, 1275, 1443, 1517, 1599, 1887, 2091, 2405, 2665, 2775, 3075, 3145, 3315, 3485, 4551, 5525, 7215, 7585, 7995, 8177, 9061, 9435, 10455, 12025, 13325, 15725, 16575, 17425, 19721, 22755, 24531, 25789, 27183, 36075, 37925, 39975, 40885, 45305, 47175, 52275, 59163, 77367, 98605, 113775, 122655, 128945, 135915, 204425, 226525, 295815, 335257, 386835, 493025, 613275, 644725, 679575, 1005771, 1479075, 1676285, 1934175, 5028855, 8381425, 25144275]

約数ペア:

[(1, 25144275), (3, 8381425), (5, 5028855), (13, 1934175), (15, 1676285), (17, 1479075), (25, 1005771), (37, 679575), (39, 644725), (41, 613275), (51, 493025), (65, 386835), (75, 335257), (85, 295815), (111, 226525), (123, 204425), (185, 135915), (195, 128945), (205, 122655), (221, 113775), (255, 98605), (325, 77367), (425, 59163), (481, 52275), (533, 47175), (555, 45305), (615, 40885), (629, 39975), (663, 37925), (697, 36075), (925, 27183), (975, 25789), (1025, 24531), (1105, 22755), (1275, 19721), (1443, 17425), (1517, 16575), (1599, 15725), (1887, 13325), (2091, 12025), (2405, 10455), (2665, 9435), (2775, 9061), (3075, 8177), (3145, 7995), (3315, 7585), (3485, 7215), (4551, 5525)]