250291215

素因数分解:

$3^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 460984320

約数和(自身を除く): 210693105

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 243, 405, 423, 487, 705, 729, 1215, 1269, 1461, 2115, 2187, 2435, 3645, 3807, 4383, 6345, 7305, 10935, 11421, 13149, 19035, 21915, 22889, 34263, 39447, 57105, 65745, 68667, 102789, 114445, 118341, 171315, 197235, 206001, 343335, 355023, 513945, 591705, 618003, 1030005, 1065069, 1775115, 1854009, 3090015, 5325345, 5562027, 9270045, 16686081, 27810135, 50058243, 83430405, 250291215]

約数ペア:

[(1, 250291215), (3, 83430405), (5, 50058243), (9, 27810135), (15, 16686081), (27, 9270045), (45, 5562027), (47, 5325345), (81, 3090015), (135, 1854009), (141, 1775115), (235, 1065069), (243, 1030005), (405, 618003), (423, 591705), (487, 513945), (705, 355023), (729, 343335), (1215, 206001), (1269, 197235), (1461, 171315), (2115, 118341), (2187, 114445), (2435, 102789), (3645, 68667), (3807, 65745), (4383, 57105), (6345, 39447), (7305, 34263), (10935, 22889), (11421, 21915), (13149, 19035)]