1228005

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{941}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 2204280

約数和(自身を除く): 976275

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 941, 1305, 2823, 4705, 8469, 14115, 27289, 42345, 81867, 136445, 245601, 409335, 1228005]

約数ペア:

[(1, 1228005), (3, 409335), (5, 245601), (9, 136445), (15, 81867), (29, 42345), (45, 27289), (87, 14115), (145, 8469), (261, 4705), (435, 2823), (941, 1305)]