78222825

素因数分解:

$3^2\times 5^2\times {\mathrm{223}}^1\times {\mathrm{1559}}^1$

素因数の和:1798

約数の個数: 36

約数和(自身を含む): 140824320

約数和(自身を除く): 62601495

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 223, 225, 669, 1115, 1559, 2007, 3345, 4677, 5575, 7795, 10035, 14031, 16725, 23385, 38975, 50175, 70155, 116925, 347657, 350775, 1042971, 1738285, 3128913, 5214855, 8691425, 15644565, 26074275, 78222825]

約数ペア:

[(1, 78222825), (3, 26074275), (5, 15644565), (9, 8691425), (15, 5214855), (25, 3128913), (45, 1738285), (75, 1042971), (223, 350775), (225, 347657), (669, 116925), (1115, 70155), (1559, 50175), (2007, 38975), (3345, 23385), (4677, 16725), (5575, 14031), (7795, 10035)]