12451905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 23469264

約数和(自身を除く): 11017359

約数列:

[1, 3, 5, 9, 15, 17, 41, 45, 51, 85, 123, 153, 205, 255, 369, 397, 615, 697, 765, 1191, 1845, 1985, 2091, 3485, 3573, 5955, 6273, 6749, 10455, 16277, 17865, 20247, 31365, 33745, 48831, 60741, 81385, 101235, 146493, 244155, 276709, 303705, 732465, 830127, 1383545, 2490381, 4150635, 12451905]

約数ペア:

[(1, 12451905), (3, 4150635), (5, 2490381), (9, 1383545), (15, 830127), (17, 732465), (41, 303705), (45, 276709), (51, 244155), (85, 146493), (123, 101235), (153, 81385), (205, 60741), (255, 48831), (369, 33745), (397, 31365), (615, 20247), (697, 17865), (765, 16277), (1191, 10455), (1845, 6749), (1985, 6273), (2091, 5955), (3485, 3573)]