87416721

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 156892736

約数和(自身を除く): 69476015

約数列:

[1, 3, 7, 9, 21, 23, 43, 61, 63, 69, 129, 161, 183, 207, 301, 387, 427, 483, 529, 549, 903, 989, 1281, 1403, 1449, 1587, 2623, 2709, 2967, 3703, 3843, 4209, 4761, 6923, 7869, 8901, 9821, 11109, 12627, 18361, 20769, 22747, 23607, 29463, 32269, 33327, 55083, 60329, 62307, 68241, 88389, 96807, 159229, 165249, 180987, 204723, 225883, 290421, 422303, 477687, 542961, 677649, 1266909, 1387567, 1433061, 2032947, 3800727, 4162701, 9712969, 12488103, 29138907, 87416721]

約数ペア:

[(1, 87416721), (3, 29138907), (7, 12488103), (9, 9712969), (21, 4162701), (23, 3800727), (43, 2032947), (61, 1433061), (63, 1387567), (69, 1266909), (129, 677649), (161, 542961), (183, 477687), (207, 422303), (301, 290421), (387, 225883), (427, 204723), (483, 180987), (529, 165249), (549, 159229), (903, 96807), (989, 88389), (1281, 68241), (1403, 62307), (1449, 60329), (1587, 55083), (2623, 33327), (2709, 32269), (2967, 29463), (3703, 23607), (3843, 22747), (4209, 20769), (4761, 18361), (6923, 12627), (7869, 11109), (8901, 9821)]