420843825

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{98443}}^1$

素因数の和:98478

約数の個数: 36

約数和(自身を含む): 793458640

約数和(自身を除く): 372614815

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 98443, 295329, 492215, 885987, 1476645, 1870417, 2461075, 4429935, 5611251, 7383225, 9352085, 16833753, 22149675, 28056255, 46760425, 84168765, 140281275, 420843825]

約数ペア:

[(1, 420843825), (3, 140281275), (5, 84168765), (9, 46760425), (15, 28056255), (19, 22149675), (25, 16833753), (45, 9352085), (57, 7383225), (75, 5611251), (95, 4429935), (171, 2461075), (225, 1870417), (285, 1476645), (475, 885987), (855, 492215), (1425, 295329), (4275, 98443)]