253906245

素因数分解:

$3^4\times 5^1\times {\mathrm{626929}}^1$

素因数の和:626946

約数の個数: 20

約数和(自身を含む): 455151180

約数和(自身を除く): 201244935

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 626929, 1880787, 3134645, 5642361, 9403935, 16927083, 28211805, 50781249, 84635415, 253906245]

約数ペア:

[(1, 253906245), (3, 84635415), (5, 50781249), (9, 28211805), (15, 16927083), (27, 9403935), (45, 5642361), (81, 3134645), (135, 1880787), (405, 626929)]