84021225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{65899}}^1$

素因数の和:65929

約数の個数: 24

約数和(自身を含む): 147088800

約数和(自身を除く): 63067575

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 65899, 197697, 329495, 988485, 1120283, 1647475, 3360849, 4942425, 5601415, 16804245, 28007075, 84021225]

約数ペア:

[(1, 84021225), (3, 28007075), (5, 16804245), (15, 5601415), (17, 4942425), (25, 3360849), (51, 1647475), (75, 1120283), (85, 988485), (255, 329495), (425, 197697), (1275, 65899)]