398972475

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{161201}}^1$

素因数の和:161228

約数の個数: 36

約数和(自身を含む): 779572872

約数和(自身を除く): 380600397

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 161201, 483603, 806005, 1450809, 1773211, 2418015, 4030025, 5319633, 7254045, 8866055, 12090075, 15958899, 26598165, 36270225, 44330275, 79794495, 132990825, 398972475]

約数ペア:

[(1, 398972475), (3, 132990825), (5, 79794495), (9, 44330275), (11, 36270225), (15, 26598165), (25, 15958899), (33, 12090075), (45, 8866055), (55, 7254045), (75, 5319633), (99, 4030025), (165, 2418015), (225, 1773211), (275, 1450809), (495, 806005), (825, 483603), (2475, 161201)]