1228521

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3079}}^1$

素因数の和:3108

約数の個数: 16

約数和(自身を含む): 1971200

約数和(自身を除く): 742679

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 3079, 9237, 21553, 58501, 64659, 175503, 409507, 1228521]

約数ペア:

[(1, 1228521), (3, 409507), (7, 175503), (19, 64659), (21, 58501), (57, 21553), (133, 9237), (399, 3079)]