251920911

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 388419584

約数和(自身を除く): 136498673

約数列:

[1, 3, 11, 31, 33, 61, 93, 121, 183, 341, 363, 367, 671, 1023, 1101, 1891, 2013, 3751, 4037, 5673, 7381, 11253, 11377, 12111, 20801, 22143, 22387, 34131, 44407, 62403, 67161, 125147, 133221, 228811, 246257, 375441, 686433, 693997, 738771, 1376617, 2081991, 2708827, 4129851, 7633967, 8126481, 22901901, 83973637, 251920911]

約数ペア:

[(1, 251920911), (3, 83973637), (11, 22901901), (31, 8126481), (33, 7633967), (61, 4129851), (93, 2708827), (121, 2081991), (183, 1376617), (341, 738771), (363, 693997), (367, 686433), (671, 375441), (1023, 246257), (1101, 228811), (1891, 133221), (2013, 125147), (3751, 67161), (4037, 62403), (5673, 44407), (7381, 34131), (11253, 22387), (11377, 22143), (12111, 20801)]