189285999

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2621}}^1$

素因数の和:2831

約数の個数: 32

約数和(自身を含む): 305410560

約数和(自身を除く): 116124561

約数列:

[1, 3, 7, 19, 21, 57, 133, 181, 399, 543, 1267, 2621, 3439, 3801, 7863, 10317, 18347, 24073, 49799, 55041, 72219, 149397, 348593, 474401, 1045779, 1423203, 3320807, 9013619, 9962421, 27040857, 63095333, 189285999]

約数ペア:

[(1, 189285999), (3, 63095333), (7, 27040857), (19, 9962421), (21, 9013619), (57, 3320807), (133, 1423203), (181, 1045779), (399, 474401), (543, 348593), (1267, 149397), (2621, 72219), (3439, 55041), (3801, 49799), (7863, 24073), (10317, 18347)]