210920973

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 299376000

約数和(自身を除く): 88455027

約数列:

[1, 3, 29, 53, 87, 149, 159, 307, 447, 921, 1537, 4321, 4611, 7897, 8903, 12963, 16271, 23691, 26709, 45743, 48813, 137229, 229013, 471859, 687039, 1326547, 1415577, 2424379, 3979641, 7273137, 70306991, 210920973]

約数ペア:

[(1, 210920973), (3, 70306991), (29, 7273137), (53, 3979641), (87, 2424379), (149, 1415577), (159, 1326547), (307, 687039), (447, 471859), (921, 229013), (1537, 137229), (4321, 48813), (4611, 45743), (7897, 26709), (8903, 23691), (12963, 16271)]