215016879

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2287}}^1$

素因数の和:2356

約数の個数: 48

約数和(自身を含む): 370033664

約数和(自身を除く): 155016785

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 121, 231, 259, 363, 407, 777, 847, 1221, 2287, 2541, 2849, 4477, 6861, 8547, 13431, 16009, 25157, 31339, 48027, 75471, 84619, 94017, 176099, 253857, 276727, 528297, 592333, 830181, 930809, 1776999, 1937089, 2792427, 5811267, 6515663, 10238899, 19546989, 30716697, 71672293, 215016879]

約数ペア:

[(1, 215016879), (3, 71672293), (7, 30716697), (11, 19546989), (21, 10238899), (33, 6515663), (37, 5811267), (77, 2792427), (111, 1937089), (121, 1776999), (231, 930809), (259, 830181), (363, 592333), (407, 528297), (777, 276727), (847, 253857), (1221, 176099), (2287, 94017), (2541, 84619), (2849, 75471), (4477, 48027), (6861, 31339), (8547, 25157), (13431, 16009)]