71047215

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 128471616

約数和(自身を除く): 57424401

約数列:

[1, 3, 5, 9, 15, 37, 45, 71, 111, 185, 213, 333, 355, 555, 601, 639, 1065, 1665, 1803, 2627, 3005, 3195, 5409, 7881, 9015, 13135, 22237, 23643, 27045, 39405, 42671, 66711, 111185, 118215, 128013, 200133, 213355, 333555, 384039, 640065, 1000665, 1578827, 1920195, 4736481, 7894135, 14209443, 23682405, 71047215]

約数ペア:

[(1, 71047215), (3, 23682405), (5, 14209443), (9, 7894135), (15, 4736481), (37, 1920195), (45, 1578827), (71, 1000665), (111, 640065), (185, 384039), (213, 333555), (333, 213355), (355, 200133), (555, 128013), (601, 118215), (639, 111185), (1065, 66711), (1665, 42671), (1803, 39405), (2627, 27045), (3005, 23643), (3195, 22237), (5409, 13135), (7881, 9015)]