331327581

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 526417920

約数和(自身を除く): 195090339

約数列:

[1, 3, 13, 23, 29, 39, 47, 69, 87, 141, 271, 299, 377, 611, 667, 813, 897, 1081, 1131, 1363, 1833, 2001, 3243, 3523, 4089, 6233, 7859, 8671, 10569, 12737, 14053, 17719, 18699, 23577, 26013, 31349, 38211, 42159, 53157, 81029, 94047, 102167, 165581, 180757, 243087, 292951, 306501, 369373, 407537, 496743, 542271, 878853, 1108119, 1222611, 2349841, 3808363, 4801849, 7049523, 8495579, 11425089, 14405547, 25486737, 110442527, 331327581]

約数ペア:

[(1, 331327581), (3, 110442527), (13, 25486737), (23, 14405547), (29, 11425089), (39, 8495579), (47, 7049523), (69, 4801849), (87, 3808363), (141, 2349841), (271, 1222611), (299, 1108119), (377, 878853), (611, 542271), (667, 496743), (813, 407537), (897, 369373), (1081, 306501), (1131, 292951), (1363, 243087), (1833, 180757), (2001, 165581), (3243, 102167), (3523, 94047), (4089, 81029), (6233, 53157), (7859, 42159), (8671, 38211), (10569, 31349), (12737, 26013), (14053, 23577), (17719, 18699)]