12905295

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{229}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 23724960

約数和(自身を除く): 10819665

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 229, 255, 289, 663, 687, 867, 1105, 1145, 1445, 2977, 3315, 3435, 3757, 3893, 4335, 8931, 11271, 11679, 14885, 18785, 19465, 44655, 50609, 56355, 58395, 66181, 151827, 198543, 253045, 330905, 759135, 860353, 992715, 2581059, 4301765, 12905295]

約数ペア:

[(1, 12905295), (3, 4301765), (5, 2581059), (13, 992715), (15, 860353), (17, 759135), (39, 330905), (51, 253045), (65, 198543), (85, 151827), (195, 66181), (221, 58395), (229, 56355), (255, 50609), (289, 44655), (663, 19465), (687, 18785), (867, 14885), (1105, 11679), (1145, 11271), (1445, 8931), (2977, 4335), (3315, 3893), (3435, 3757)]