538082181

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5521}}^1$

素因数の和:5571

約数の個数: 72

約数和(自身を含む): 1031134104

約数和(自身を除く): 493051923

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 49, 51, 63, 91, 117, 119, 147, 153, 221, 273, 357, 441, 637, 663, 819, 833, 1071, 1547, 1911, 1989, 2499, 4641, 5521, 5733, 7497, 10829, 13923, 16563, 32487, 38647, 49689, 71773, 93857, 97461, 115941, 215319, 270529, 281571, 347823, 502411, 645957, 656999, 811587, 844713, 1220141, 1507233, 1970997, 2434761, 3516877, 3660423, 4521699, 4598993, 5912991, 8540987, 10550631, 10981269, 13796979, 25622961, 31651893, 41390937, 59786909, 76868883, 179360727, 538082181]

約数ペア:

[(1, 538082181), (3, 179360727), (7, 76868883), (9, 59786909), (13, 41390937), (17, 31651893), (21, 25622961), (39, 13796979), (49, 10981269), (51, 10550631), (63, 8540987), (91, 5912991), (117, 4598993), (119, 4521699), (147, 3660423), (153, 3516877), (221, 2434761), (273, 1970997), (357, 1507233), (441, 1220141), (637, 844713), (663, 811587), (819, 656999), (833, 645957), (1071, 502411), (1547, 347823), (1911, 281571), (1989, 270529), (2499, 215319), (4641, 115941), (5521, 97461), (5733, 93857), (7497, 71773), (10829, 49689), (13923, 38647), (16563, 32487)]