28371689955

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2905447}}^1$

素因数の和:2905496

約数の個数: 48

約数和(自身を含む): 58015985664

約数和(自身を除く): 29644295709

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 3255, 9765, 2905447, 8716341, 14527235, 20338129, 26149023, 43581705, 61014387, 90068857, 101690645, 130745115, 183043161, 270206571, 305071935, 450344285, 630481999, 810619713, 915215805, 1351032855, 1891445997, 3152409995, 4053098565, 5674337991, 9457229985, 28371689955]

約数ペア:

[(1, 28371689955), (3, 9457229985), (5, 5674337991), (7, 4053098565), (9, 3152409995), (15, 1891445997), (21, 1351032855), (31, 915215805), (35, 810619713), (45, 630481999), (63, 450344285), (93, 305071935), (105, 270206571), (155, 183043161), (217, 130745115), (279, 101690645), (315, 90068857), (465, 61014387), (651, 43581705), (1085, 26149023), (1395, 20338129), (1953, 14527235), (3255, 8716341), (9765, 2905447)]