49978215

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 120

約数和(自身を含む): 110549472

約数和(自身を除く): 60571257

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 61, 63, 81, 85, 105, 119, 135, 153, 183, 189, 255, 289, 305, 315, 357, 405, 427, 459, 549, 567, 595, 765, 867, 915, 945, 1037, 1071, 1281, 1377, 1445, 1647, 1785, 2023, 2135, 2295, 2601, 2745, 2835, 3111, 3213, 3843, 4335, 4941, 5185, 5355, 6069, 6405, 6885, 7259, 7803, 8235, 9333, 9639, 10115, 11529, 13005, 15555, 16065, 17629, 18207, 19215, 21777, 23409, 24705, 27999, 30345, 34587, 36295, 39015, 46665, 48195, 52887, 54621, 57645, 65331, 83997, 88145, 91035, 108885, 117045, 123403, 139995, 158661, 163863, 172935, 195993, 264435, 273105, 326655, 370209, 419985, 475983, 587979, 617015, 793305, 819315, 979965, 1110627, 1427949, 1851045, 2379915, 2939895, 3331881, 5553135, 7139745, 9995643, 16659405, 49978215]

約数ペア:

[(1, 49978215), (3, 16659405), (5, 9995643), (7, 7139745), (9, 5553135), (15, 3331881), (17, 2939895), (21, 2379915), (27, 1851045), (35, 1427949), (45, 1110627), (51, 979965), (61, 819315), (63, 793305), (81, 617015), (85, 587979), (105, 475983), (119, 419985), (135, 370209), (153, 326655), (183, 273105), (189, 264435), (255, 195993), (289, 172935), (305, 163863), (315, 158661), (357, 139995), (405, 123403), (427, 117045), (459, 108885), (549, 91035), (567, 88145), (595, 83997), (765, 65331), (867, 57645), (915, 54621), (945, 52887), (1037, 48195), (1071, 46665), (1281, 39015), (1377, 36295), (1445, 34587), (1647, 30345), (1785, 27999), (2023, 24705), (2135, 23409), (2295, 21777), (2601, 19215), (2745, 18207), (2835, 17629), (3111, 16065), (3213, 15555), (3843, 13005), (4335, 11529), (4941, 10115), (5185, 9639), (5355, 9333), (6069, 8235), (6405, 7803), (6885, 7259)]