2225685987

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{643}}^1$

素因数の和:877

約数の個数: 72

約数和(自身を含む): 3848173056

約数和(自身を除く): 1622487069

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 167, 329, 423, 441, 501, 643, 987, 1169, 1503, 1929, 2303, 2961, 3507, 4501, 5787, 6909, 7849, 8183, 10521, 13503, 20727, 23547, 24549, 30221, 31507, 40509, 54943, 70641, 73647, 90663, 94521, 107381, 164829, 211547, 271989, 283563, 322143, 384601, 494487, 634641, 751667, 966429, 1153803, 1480829, 1903923, 2255001, 3461409, 4442487, 5046907, 5261669, 6765003, 13327461, 15140721, 15785007, 35328349, 45422163, 47355021, 105985047, 247298443, 317955141, 741895329, 2225685987]

約数ペア:

[(1, 2225685987), (3, 741895329), (7, 317955141), (9, 247298443), (21, 105985047), (47, 47355021), (49, 45422163), (63, 35328349), (141, 15785007), (147, 15140721), (167, 13327461), (329, 6765003), (423, 5261669), (441, 5046907), (501, 4442487), (643, 3461409), (987, 2255001), (1169, 1903923), (1503, 1480829), (1929, 1153803), (2303, 966429), (2961, 751667), (3507, 634641), (4501, 494487), (5787, 384601), (6909, 322143), (7849, 283563), (8183, 271989), (10521, 211547), (13503, 164829), (20727, 107381), (23547, 94521), (24549, 90663), (30221, 73647), (31507, 70641), (40509, 54943)]