65981979

素因数分解:

$3^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{941}}^1$

素因数の和:1017

約数の個数: 48

約数和(自身を含む): 115979040

約数和(自身を除く): 49997061

約数列:

[1, 3, 7, 9, 21, 27, 49, 53, 63, 147, 159, 189, 371, 441, 477, 941, 1113, 1323, 1431, 2597, 2823, 3339, 6587, 7791, 8469, 10017, 19761, 23373, 25407, 46109, 49873, 59283, 70119, 138327, 149619, 177849, 349111, 414981, 448857, 1047333, 1244943, 1346571, 2443777, 3141999, 7331331, 9425997, 21993993, 65981979]

約数ペア:

[(1, 65981979), (3, 21993993), (7, 9425997), (9, 7331331), (21, 3141999), (27, 2443777), (49, 1346571), (53, 1244943), (63, 1047333), (147, 448857), (159, 414981), (189, 349111), (371, 177849), (441, 149619), (477, 138327), (941, 70119), (1113, 59283), (1323, 49873), (1431, 46109), (2597, 25407), (2823, 23373), (3339, 19761), (6587, 10017), (7791, 8469)]