28240287

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 41441280

約数和(自身を除く): 13200993

約数列:

[1, 3, 29, 31, 37, 87, 93, 111, 283, 849, 899, 1073, 1147, 2697, 3219, 3441, 8207, 8773, 10471, 24621, 26319, 31413, 33263, 99789, 254417, 303659, 324601, 763251, 910977, 973803, 9413429, 28240287]

約数ペア:

[(1, 28240287), (3, 9413429), (29, 973803), (31, 910977), (37, 763251), (87, 324601), (93, 303659), (111, 254417), (283, 99789), (849, 33263), (899, 31413), (1073, 26319), (1147, 24621), (2697, 10471), (3219, 8773), (3441, 8207)]