128930607

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 216964800

約数和(自身を除く): 88034193

約数列:

[1, 3, 9, 13, 29, 37, 39, 79, 87, 111, 117, 169, 237, 261, 333, 377, 481, 507, 711, 1027, 1073, 1131, 1443, 1521, 2291, 2923, 3081, 3219, 3393, 4329, 4901, 6253, 6873, 8769, 9243, 9657, 13351, 13949, 14703, 18759, 20619, 26307, 29783, 37999, 40053, 41847, 44109, 56277, 84767, 89349, 113997, 120159, 125541, 181337, 254301, 268047, 341991, 387179, 493987, 544011, 762903, 1101971, 1161537, 1481961, 1632033, 3305913, 3484611, 4445883, 9917739, 14325623, 42976869, 128930607]

約数ペア:

[(1, 128930607), (3, 42976869), (9, 14325623), (13, 9917739), (29, 4445883), (37, 3484611), (39, 3305913), (79, 1632033), (87, 1481961), (111, 1161537), (117, 1101971), (169, 762903), (237, 544011), (261, 493987), (333, 387179), (377, 341991), (481, 268047), (507, 254301), (711, 181337), (1027, 125541), (1073, 120159), (1131, 113997), (1443, 89349), (1521, 84767), (2291, 56277), (2923, 44109), (3081, 41847), (3219, 40053), (3393, 37999), (4329, 29783), (4901, 26307), (6253, 20619), (6873, 18759), (8769, 14703), (9243, 13949), (9657, 13351)]