31787145

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{811}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 60295872

約数和(自身を除く): 28508727

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 67, 117, 195, 201, 335, 585, 603, 811, 871, 1005, 2433, 2613, 3015, 4055, 4355, 7299, 7839, 10543, 12165, 13065, 31629, 36495, 39195, 52715, 54337, 94887, 158145, 163011, 271685, 474435, 489033, 706381, 815055, 2119143, 2445165, 3531905, 6357429, 10595715, 31787145]

約数ペア:

[(1, 31787145), (3, 10595715), (5, 6357429), (9, 3531905), (13, 2445165), (15, 2119143), (39, 815055), (45, 706381), (65, 489033), (67, 474435), (117, 271685), (195, 163011), (201, 158145), (335, 94887), (585, 54337), (603, 52715), (811, 39195), (871, 36495), (1005, 31629), (2433, 13065), (2613, 12165), (3015, 10543), (4055, 7839), (4355, 7299)]