3938985

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 7637760

約数和(自身を除く): 3698775

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 271, 285, 323, 765, 813, 855, 969, 1355, 1615, 2439, 2907, 4065, 4607, 4845, 5149, 12195, 13821, 14535, 15447, 23035, 25745, 41463, 46341, 69105, 77235, 87533, 207315, 231705, 262599, 437665, 787797, 1312995, 3938985]

約数ペア:

[(1, 3938985), (3, 1312995), (5, 787797), (9, 437665), (15, 262599), (17, 231705), (19, 207315), (45, 87533), (51, 77235), (57, 69105), (85, 46341), (95, 41463), (153, 25745), (171, 23035), (255, 15447), (271, 14535), (285, 13821), (323, 12195), (765, 5149), (813, 4845), (855, 4607), (969, 4065), (1355, 2907), (1615, 2439)]