159657855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 309657600

約数和(自身を除く): 149999745

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 191, 285, 399, 419, 573, 665, 955, 1257, 1337, 1995, 2095, 2865, 2933, 3629, 4011, 6285, 6685, 7961, 8799, 10887, 14665, 18145, 20055, 23883, 25403, 39805, 43995, 54435, 55727, 76209, 80029, 119415, 127015, 167181, 240087, 278635, 381045, 400145, 560203, 835905, 1200435, 1520551, 1680609, 2801015, 4561653, 7602755, 8403045, 10643857, 22808265, 31931571, 53219285, 159657855]

約数ペア:

[(1, 159657855), (3, 53219285), (5, 31931571), (7, 22808265), (15, 10643857), (19, 8403045), (21, 7602755), (35, 4561653), (57, 2801015), (95, 1680609), (105, 1520551), (133, 1200435), (191, 835905), (285, 560203), (399, 400145), (419, 381045), (573, 278635), (665, 240087), (955, 167181), (1257, 127015), (1337, 119415), (1995, 80029), (2095, 76209), (2865, 55727), (2933, 54435), (3629, 43995), (4011, 39805), (6285, 25403), (6685, 23883), (7961, 20055), (8799, 18145), (10887, 14665)]