68520897

素因数分解:

$3^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 115718400

約数和(自身を除く): 47197503

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 97, 153, 171, 243, 291, 323, 459, 513, 729, 873, 969, 1377, 1539, 1649, 1843, 2187, 2619, 2907, 4131, 4617, 4947, 5529, 7857, 8721, 12393, 13851, 14841, 16587, 23571, 26163, 31331, 37179, 41553, 44523, 49761, 70713, 78489, 93993, 133569, 149283, 212139, 235467, 281979, 400707, 447849, 706401, 845937, 1202121, 1343547, 2537811, 3606363, 4030641, 7613433, 22840299, 68520897]

約数ペア:

[(1, 68520897), (3, 22840299), (9, 7613433), (17, 4030641), (19, 3606363), (27, 2537811), (51, 1343547), (57, 1202121), (81, 845937), (97, 706401), (153, 447849), (171, 400707), (243, 281979), (291, 235467), (323, 212139), (459, 149283), (513, 133569), (729, 93993), (873, 78489), (969, 70713), (1377, 49761), (1539, 44523), (1649, 41553), (1843, 37179), (2187, 31331), (2619, 26163), (2907, 23571), (4131, 16587), (4617, 14841), (4947, 13851), (5529, 12393), (7857, 8721)]