253298199

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{409}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 430755840

約数和(自身を除く): 177457641

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 383, 409, 539, 1149, 1227, 1617, 2681, 2863, 4213, 4499, 8043, 8589, 12639, 13497, 18767, 20041, 29491, 31493, 56301, 60123, 88473, 94479, 156647, 206437, 220451, 469941, 619311, 661353, 1096529, 1723117, 3289587, 5169351, 7675703, 12061819, 23027109, 36185457, 84432733, 253298199]

約数ペア:

[(1, 253298199), (3, 84432733), (7, 36185457), (11, 23027109), (21, 12061819), (33, 7675703), (49, 5169351), (77, 3289587), (147, 1723117), (231, 1096529), (383, 661353), (409, 619311), (539, 469941), (1149, 220451), (1227, 206437), (1617, 156647), (2681, 94479), (2863, 88473), (4213, 60123), (4499, 56301), (8043, 31493), (8589, 29491), (12639, 20041), (13497, 18767)]