388355325

素因数分解:

$3^1\times 5^2\times {\mathrm{397}}^1\times {\mathrm{13043}}^1$

素因数の和:13453

約数の個数: 24

約数和(自身を含む): 643747488

約数和(自身を除く): 255392163

約数列:

[1, 3, 5, 15, 25, 75, 397, 1191, 1985, 5955, 9925, 13043, 29775, 39129, 65215, 195645, 326075, 978225, 5178071, 15534213, 25890355, 77671065, 129451775, 388355325]

約数ペア:

[(1, 388355325), (3, 129451775), (5, 77671065), (15, 25890355), (25, 15534213), (75, 5178071), (397, 978225), (1191, 326075), (1985, 195645), (5955, 65215), (9925, 39129), (13043, 29775)]