248894685

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1061}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 466201008

約数和(自身を除く): 217306323

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 401, 585, 1061, 1203, 2005, 3183, 3609, 5213, 5305, 6015, 9549, 13793, 15639, 15915, 18045, 26065, 41379, 46917, 47745, 68965, 78195, 124137, 206895, 234585, 425461, 620685, 1276383, 2127305, 3829149, 5530993, 6381915, 16592979, 19145745, 27654965, 49778937, 82964895, 248894685]

約数ペア:

[(1, 248894685), (3, 82964895), (5, 49778937), (9, 27654965), (13, 19145745), (15, 16592979), (39, 6381915), (45, 5530993), (65, 3829149), (117, 2127305), (195, 1276383), (401, 620685), (585, 425461), (1061, 234585), (1203, 206895), (2005, 124137), (3183, 78195), (3609, 68965), (5213, 47745), (5305, 46917), (6015, 41379), (9549, 26065), (13793, 18045), (15639, 15915)]