172872045

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{132469}}^1$

素因数の和:132509

約数の個数: 24

約数和(自身を含む): 309979800

約数和(自身を除く): 137107755

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 132469, 397407, 662345, 1192221, 1987035, 3841601, 5961105, 11524803, 19208005, 34574409, 57624015, 172872045]

約数ペア:

[(1, 172872045), (3, 57624015), (5, 34574409), (9, 19208005), (15, 11524803), (29, 5961105), (45, 3841601), (87, 1987035), (145, 1192221), (261, 662345), (435, 397407), (1305, 132469)]