31242057

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^2$

素因数の和:306

約数の個数: 36

約数和(自身を含む): 53245296

約数和(自身を除く): 22003239

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 139, 147, 231, 417, 539, 973, 1529, 1617, 2919, 4587, 6811, 10703, 19321, 20433, 32109, 57963, 74921, 135247, 212531, 224763, 405741, 637593, 946729, 1487717, 2840187, 4463151, 10414019, 31242057]

約数ペア:

[(1, 31242057), (3, 10414019), (7, 4463151), (11, 2840187), (21, 1487717), (33, 946729), (49, 637593), (77, 405741), (139, 224763), (147, 212531), (231, 135247), (417, 74921), (539, 57963), (973, 32109), (1529, 20433), (1617, 19321), (2919, 10703), (4587, 6811)]