72741825

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1913}}^1$

素因数の和:1955

約数の個数: 54

約数和(自身を含む): 141155586

約数和(自身を除く): 68413761

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 169, 195, 225, 325, 507, 585, 845, 975, 1521, 1913, 2535, 2925, 4225, 5739, 7605, 9565, 12675, 17217, 24869, 28695, 38025, 47825, 74607, 86085, 124345, 143475, 223821, 323297, 373035, 430425, 621725, 969891, 1119105, 1616485, 1865175, 2909673, 4849455, 5595525, 8082425, 14548365, 24247275, 72741825]

約数ペア:

[(1, 72741825), (3, 24247275), (5, 14548365), (9, 8082425), (13, 5595525), (15, 4849455), (25, 2909673), (39, 1865175), (45, 1616485), (65, 1119105), (75, 969891), (117, 621725), (169, 430425), (195, 373035), (225, 323297), (325, 223821), (507, 143475), (585, 124345), (845, 86085), (975, 74607), (1521, 47825), (1913, 38025), (2535, 28695), (2925, 24869), (4225, 17217), (5739, 12675), (7605, 9565)]