409840179

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{631}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 632687616

約数和(自身を除く): 222847437

約数列:

[1, 3, 7, 21, 157, 197, 471, 591, 631, 1099, 1379, 1893, 3297, 4137, 4417, 13251, 30929, 92787, 99067, 124307, 216503, 297201, 372921, 649509, 693469, 870149, 2080407, 2610447, 19516199, 58548597, 136613393, 409840179]

約数ペア:

[(1, 409840179), (3, 136613393), (7, 58548597), (21, 19516199), (157, 2610447), (197, 2080407), (471, 870149), (591, 693469), (631, 649509), (1099, 372921), (1379, 297201), (1893, 216503), (3297, 124307), (4137, 99067), (4417, 92787), (13251, 30929)]