39142215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{397}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 77982528

約数和(自身を除く): 38840313

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 313, 315, 397, 939, 1191, 1565, 1985, 2191, 2779, 2817, 3573, 4695, 5955, 6573, 8337, 10955, 13895, 14085, 17865, 19719, 25011, 32865, 41685, 98595, 124261, 125055, 372783, 621305, 869827, 1118349, 1863915, 2609481, 4349135, 5591745, 7828443, 13047405, 39142215]

約数ペア:

[(1, 39142215), (3, 13047405), (5, 7828443), (7, 5591745), (9, 4349135), (15, 2609481), (21, 1863915), (35, 1118349), (45, 869827), (63, 621305), (105, 372783), (313, 125055), (315, 124261), (397, 98595), (939, 41685), (1191, 32865), (1565, 25011), (1985, 19719), (2191, 17865), (2779, 14085), (2817, 13895), (3573, 10955), (4695, 8337), (5955, 6573)]