428085279

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 671224320

約数和(自身を除く): 243139041

約数列:

[1, 3, 9, 17, 51, 79, 107, 153, 237, 321, 331, 711, 963, 993, 1343, 1819, 2979, 4029, 5457, 5627, 8453, 12087, 16371, 16881, 25359, 26149, 35417, 50643, 76077, 78447, 106251, 143701, 235341, 318753, 431103, 444533, 602089, 1293309, 1333599, 1806267, 2797943, 4000797, 5418801, 8393829, 25181487, 47565031, 142695093, 428085279]

約数ペア:

[(1, 428085279), (3, 142695093), (9, 47565031), (17, 25181487), (51, 8393829), (79, 5418801), (107, 4000797), (153, 2797943), (237, 1806267), (321, 1333599), (331, 1293309), (711, 602089), (963, 444533), (993, 431103), (1343, 318753), (1819, 235341), (2979, 143701), (4029, 106251), (5457, 78447), (5627, 76077), (8453, 50643), (12087, 35417), (16371, 26149), (16881, 25359)]