87570105

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{421}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 163952064

約数和(自身を除く): 76381959

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 283, 421, 735, 849, 1263, 1415, 1981, 2105, 2947, 4245, 5943, 6315, 8841, 9905, 13867, 14735, 20629, 29715, 41601, 44205, 61887, 69335, 103145, 119143, 208005, 309435, 357429, 595715, 834001, 1787145, 2502003, 4170005, 5838007, 12510015, 17514021, 29190035, 87570105]

約数ペア:

[(1, 87570105), (3, 29190035), (5, 17514021), (7, 12510015), (15, 5838007), (21, 4170005), (35, 2502003), (49, 1787145), (105, 834001), (147, 595715), (245, 357429), (283, 309435), (421, 208005), (735, 119143), (849, 103145), (1263, 69335), (1415, 61887), (1981, 44205), (2105, 41601), (2947, 29715), (4245, 20629), (5943, 14735), (6315, 13867), (8841, 9905)]