211706415

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2957}}^1$

素因数の和:3048

約数の個数: 48

約数和(自身を含む): 385770528

約数和(自身を除く): 174064113

約数列:

[1, 3, 5, 9, 15, 37, 43, 45, 111, 129, 185, 215, 333, 387, 555, 645, 1591, 1665, 1935, 2957, 4773, 7955, 8871, 14319, 14785, 23865, 26613, 44355, 71595, 109409, 127151, 133065, 328227, 381453, 547045, 635755, 984681, 1144359, 1641135, 1907265, 4704587, 4923405, 5721795, 14113761, 23522935, 42341283, 70568805, 211706415]

約数ペア:

[(1, 211706415), (3, 70568805), (5, 42341283), (9, 23522935), (15, 14113761), (37, 5721795), (43, 4923405), (45, 4704587), (111, 1907265), (129, 1641135), (185, 1144359), (215, 984681), (333, 635755), (387, 547045), (555, 381453), (645, 328227), (1591, 133065), (1665, 127151), (1935, 109409), (2957, 71595), (4773, 44355), (7955, 26613), (8871, 23865), (14319, 14785)]