131428899

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7993}}^1$

素因数の和:8041

約数の個数: 40

約数和(自身を含む): 232145760

約数和(自身を除く): 100716861

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1827, 2349, 5481, 7993, 16443, 23979, 55951, 71937, 167853, 215811, 231797, 503559, 647433, 695391, 1510677, 1622579, 2086173, 4532031, 4867737, 6258519, 14603211, 18775557, 43809633, 131428899]

約数ペア:

[(1, 131428899), (3, 43809633), (7, 18775557), (9, 14603211), (21, 6258519), (27, 4867737), (29, 4532031), (63, 2086173), (81, 1622579), (87, 1510677), (189, 695391), (203, 647433), (261, 503559), (567, 231797), (609, 215811), (783, 167853), (1827, 71937), (2349, 55951), (5481, 23979), (7993, 16443)]