213301839

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 331444224

約数和(自身を除く): 118142385

約数列:

[1, 3, 17, 23, 47, 51, 53, 69, 73, 141, 159, 219, 391, 799, 901, 1081, 1173, 1219, 1241, 1679, 2397, 2491, 2703, 3243, 3431, 3657, 3723, 3869, 5037, 7473, 10293, 11607, 18377, 20723, 28543, 42347, 55131, 57293, 58327, 62169, 65773, 78913, 85629, 88987, 127041, 171879, 174981, 181843, 197319, 236739, 266961, 545529, 973981, 1341521, 1512779, 2921943, 3091331, 4024563, 4182389, 4538337, 9273993, 12547167, 71100613, 213301839]

約数ペア:

[(1, 213301839), (3, 71100613), (17, 12547167), (23, 9273993), (47, 4538337), (51, 4182389), (53, 4024563), (69, 3091331), (73, 2921943), (141, 1512779), (159, 1341521), (219, 973981), (391, 545529), (799, 266961), (901, 236739), (1081, 197319), (1173, 181843), (1219, 174981), (1241, 171879), (1679, 127041), (2397, 88987), (2491, 85629), (2703, 78913), (3243, 65773), (3431, 62169), (3657, 58327), (3723, 57293), (3869, 55131), (5037, 42347), (7473, 28543), (10293, 20723), (11607, 18377)]