206886285

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 378950400

約数和(自身を除く): 172064115

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 89, 135, 201, 257, 267, 335, 445, 603, 771, 801, 1005, 1285, 1335, 1809, 2313, 2403, 3015, 3855, 4005, 5963, 6939, 9045, 11565, 12015, 17219, 17889, 22873, 29815, 34695, 51657, 53667, 68619, 86095, 89445, 114365, 154971, 161001, 205857, 258285, 268335, 343095, 464913, 617571, 774855, 805005, 1029285, 1532491, 2324565, 3087855, 4597473, 7662455, 13792419, 22987365, 41377257, 68962095, 206886285]

約数ペア:

[(1, 206886285), (3, 68962095), (5, 41377257), (9, 22987365), (15, 13792419), (27, 7662455), (45, 4597473), (67, 3087855), (89, 2324565), (135, 1532491), (201, 1029285), (257, 805005), (267, 774855), (335, 617571), (445, 464913), (603, 343095), (771, 268335), (801, 258285), (1005, 205857), (1285, 161001), (1335, 154971), (1809, 114365), (2313, 89445), (2403, 86095), (3015, 68619), (3855, 53667), (4005, 51657), (5963, 34695), (6939, 29815), (9045, 22873), (11565, 17889), (12015, 17219)]