201438531

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 367690752

約数和(自身を除く): 166252221

約数列:

[1, 3, 7, 9, 21, 23, 43, 53, 61, 63, 69, 129, 159, 161, 183, 207, 301, 371, 387, 427, 477, 483, 549, 903, 989, 1113, 1219, 1281, 1403, 1449, 2279, 2623, 2709, 2967, 3233, 3339, 3657, 3843, 4209, 6837, 6923, 7869, 8533, 8901, 9699, 9821, 10971, 12627, 15953, 18361, 20511, 20769, 22631, 23607, 25599, 29097, 29463, 47859, 52417, 55083, 60329, 62307, 67893, 74359, 76797, 88389, 139019, 143577, 157251, 165249, 180987, 203679, 223077, 366919, 417057, 422303, 471753, 520513, 542961, 669231, 973133, 1100757, 1251171, 1266909, 1561539, 2919399, 3197437, 3302271, 3800727, 4684617, 8758197, 9592311, 22382059, 28776933, 67146177, 201438531]

約数ペア:

[(1, 201438531), (3, 67146177), (7, 28776933), (9, 22382059), (21, 9592311), (23, 8758197), (43, 4684617), (53, 3800727), (61, 3302271), (63, 3197437), (69, 2919399), (129, 1561539), (159, 1266909), (161, 1251171), (183, 1100757), (207, 973133), (301, 669231), (371, 542961), (387, 520513), (427, 471753), (477, 422303), (483, 417057), (549, 366919), (903, 223077), (989, 203679), (1113, 180987), (1219, 165249), (1281, 157251), (1403, 143577), (1449, 139019), (2279, 88389), (2623, 76797), (2709, 74359), (2967, 67893), (3233, 62307), (3339, 60329), (3657, 55083), (3843, 52417), (4209, 47859), (6837, 29463), (6923, 29097), (7869, 25599), (8533, 23607), (8901, 22631), (9699, 20769), (9821, 20511), (10971, 18361), (12627, 15953)]