2988891045

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{499397}}^1$

素因数の和:499434

約数の個数: 48

約数和(自身を含む): 6232487040

約数和(自身を除く): 3243595995

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 5985, 499397, 1498191, 2496985, 3495779, 4494573, 7490955, 9488543, 10487337, 17478895, 22472865, 28465629, 31462011, 47442715, 52436685, 66419801, 85396887, 142328145, 157310055, 199259403, 332099005, 426984435, 597778209, 996297015, 2988891045]

約数ペア:

[(1, 2988891045), (3, 996297015), (5, 597778209), (7, 426984435), (9, 332099005), (15, 199259403), (19, 157310055), (21, 142328145), (35, 85396887), (45, 66419801), (57, 52436685), (63, 47442715), (95, 31462011), (105, 28465629), (133, 22472865), (171, 17478895), (285, 10487337), (315, 9488543), (399, 7490955), (665, 4494573), (855, 3495779), (1197, 2496985), (1995, 1498191), (5985, 499397)]