278328015

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{769}}^1$

素因数の和:1173

約数の個数: 64

約数和(自身を含む): 567705600

約数和(自身を除く): 289377585

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 383, 769, 945, 1149, 1915, 2307, 2681, 3447, 3845, 5383, 5745, 6921, 8043, 10341, 11535, 13405, 16149, 17235, 20763, 24129, 26915, 34605, 40215, 48447, 51705, 72387, 80745, 103815, 120645, 145341, 242235, 294527, 361935, 726705, 883581, 1472635, 2061689, 2650743, 4417905, 6185067, 7952229, 10308445, 13253715, 18555201, 30925335, 39761145, 55665603, 92776005, 278328015]

約数ペア:

[(1, 278328015), (3, 92776005), (5, 55665603), (7, 39761145), (9, 30925335), (15, 18555201), (21, 13253715), (27, 10308445), (35, 7952229), (45, 6185067), (63, 4417905), (105, 2650743), (135, 2061689), (189, 1472635), (315, 883581), (383, 726705), (769, 361935), (945, 294527), (1149, 242235), (1915, 145341), (2307, 120645), (2681, 103815), (3447, 80745), (3845, 72387), (5383, 51705), (5745, 48447), (6921, 40215), (8043, 34605), (10341, 26915), (11535, 24129), (13405, 20763), (16149, 17235)]