398055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 774144

約数和(自身を除く): 376089

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 223, 255, 357, 595, 669, 1115, 1561, 1785, 3345, 3791, 4683, 7805, 11373, 18955, 23415, 26537, 56865, 79611, 132685, 398055]

約数ペア:

[(1, 398055), (3, 132685), (5, 79611), (7, 56865), (15, 26537), (17, 23415), (21, 18955), (35, 11373), (51, 7805), (85, 4683), (105, 3791), (119, 3345), (223, 1785), (255, 1561), (357, 1115), (595, 669)]