213840975

素因数分解:

$3^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{16481}}^1$

素因数の和:16667

約数の個数: 24

約数和(自身を含む): 355615632

約数和(自身を除く): 141774657

約数列:

[1, 3, 5, 15, 25, 75, 173, 519, 865, 2595, 4325, 12975, 16481, 49443, 82405, 247215, 412025, 1236075, 2851213, 8553639, 14256065, 42768195, 71280325, 213840975]

約数ペア:

[(1, 213840975), (3, 71280325), (5, 42768195), (15, 14256065), (25, 8553639), (75, 2851213), (173, 1236075), (519, 412025), (865, 247215), (2595, 82405), (4325, 49443), (12975, 16481)]