7142289

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{631}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 12134400

約数和(自身を除く): 4992111

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 343, 539, 631, 1029, 1617, 1893, 3773, 4417, 6941, 11319, 13251, 20823, 30919, 48587, 92757, 145761, 216433, 340109, 649299, 1020327, 2380763, 7142289]

約数ペア:

[(1, 7142289), (3, 2380763), (7, 1020327), (11, 649299), (21, 340109), (33, 216433), (49, 145761), (77, 92757), (147, 48587), (231, 30919), (343, 20823), (539, 13251), (631, 11319), (1029, 6941), (1617, 4417), (1893, 3773)]