1540215

素因数分解:

$3^4\times 5^1\times {\mathrm{3803}}^1$

素因数の和:3820

約数の個数: 20

約数和(自身を含む): 2761704

約数和(自身を除く): 1221489

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3803, 11409, 19015, 34227, 57045, 102681, 171135, 308043, 513405, 1540215]

約数ペア:

[(1, 1540215), (3, 513405), (5, 308043), (9, 171135), (15, 102681), (27, 57045), (45, 34227), (81, 19015), (135, 11409), (405, 3803)]