2078561979

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2521}}^1$

素因数の和:2584

約数の個数: 64

約数和(自身を含む): 3474307200

約数和(自身を除く): 1395745221

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 243, 261, 351, 377, 729, 783, 1053, 1131, 2187, 2349, 2521, 3159, 3393, 7047, 7563, 9477, 10179, 21141, 22689, 28431, 30537, 32773, 63423, 68067, 73109, 91611, 98319, 204201, 219327, 274833, 294957, 612603, 657981, 824499, 884871, 950417, 1837809, 1973943, 2654613, 2851251, 5513427, 5921829, 7963839, 8553753, 17765487, 23891517, 25661259, 53296461, 71674551, 76983777, 159889383, 230951331, 692853993, 2078561979]

約数ペア:

[(1, 2078561979), (3, 692853993), (9, 230951331), (13, 159889383), (27, 76983777), (29, 71674551), (39, 53296461), (81, 25661259), (87, 23891517), (117, 17765487), (243, 8553753), (261, 7963839), (351, 5921829), (377, 5513427), (729, 2851251), (783, 2654613), (1053, 1973943), (1131, 1837809), (2187, 950417), (2349, 884871), (2521, 824499), (3159, 657981), (3393, 612603), (7047, 294957), (7563, 274833), (9477, 219327), (10179, 204201), (21141, 98319), (22689, 91611), (28431, 73109), (30537, 68067), (32773, 63423)]