221785185

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 383201280

約数和(自身を除く): 161416095

約数列:

[1, 3, 5, 15, 29, 43, 71, 87, 129, 145, 167, 213, 215, 355, 435, 501, 645, 835, 1065, 1247, 2059, 2505, 3053, 3741, 4843, 6177, 6235, 7181, 9159, 10295, 11857, 14529, 15265, 18705, 21543, 24215, 30885, 35571, 35905, 45795, 59285, 72645, 88537, 107715, 177855, 208249, 265611, 343853, 442685, 509851, 624747, 1031559, 1041245, 1328055, 1529553, 1719265, 2549255, 3123735, 5157795, 7647765, 14785679, 44357037, 73928395, 221785185]

約数ペア:

[(1, 221785185), (3, 73928395), (5, 44357037), (15, 14785679), (29, 7647765), (43, 5157795), (71, 3123735), (87, 2549255), (129, 1719265), (145, 1529553), (167, 1328055), (213, 1041245), (215, 1031559), (355, 624747), (435, 509851), (501, 442685), (645, 343853), (835, 265611), (1065, 208249), (1247, 177855), (2059, 107715), (2505, 88537), (3053, 72645), (3741, 59285), (4843, 45795), (6177, 35905), (6235, 35571), (7181, 30885), (9159, 24215), (10295, 21543), (11857, 18705), (14529, 15265)]