757215

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 32

約数和(自身を含む): 1382400

約数和(自身を除く): 625185

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 79, 135, 213, 237, 355, 395, 639, 711, 1065, 1185, 1917, 2133, 3195, 3555, 5609, 9585, 10665, 16827, 28045, 50481, 84135, 151443, 252405, 757215]

約数ペア:

[(1, 757215), (3, 252405), (5, 151443), (9, 84135), (15, 50481), (27, 28045), (45, 16827), (71, 10665), (79, 9585), (135, 5609), (213, 3555), (237, 3195), (355, 2133), (395, 1917), (639, 1185), (711, 1065)]