28215285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{14143}}^1$

素因数の和:14177

約数の個数: 32

約数和(自身を含む): 54312960

約数和(自身を除く): 26097675

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 14143, 42429, 70715, 99001, 212145, 268717, 297003, 495005, 806151, 1343585, 1485015, 1881019, 4030755, 5643057, 9405095, 28215285]

約数ペア:

[(1, 28215285), (3, 9405095), (5, 5643057), (7, 4030755), (15, 1881019), (19, 1485015), (21, 1343585), (35, 806151), (57, 495005), (95, 297003), (105, 268717), (133, 212145), (285, 99001), (399, 70715), (665, 42429), (1995, 14143)]