25398225

素因数分解:

$3^3\times 5^2\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 47139840

約数和(自身を除く): 21741615

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 191, 197, 225, 573, 591, 675, 955, 985, 1719, 1773, 2865, 2955, 4775, 4925, 5157, 5319, 8595, 8865, 14325, 14775, 25785, 26595, 37627, 42975, 44325, 112881, 128925, 132975, 188135, 338643, 564405, 940675, 1015929, 1693215, 2822025, 5079645, 8466075, 25398225]

約数ペア:

[(1, 25398225), (3, 8466075), (5, 5079645), (9, 2822025), (15, 1693215), (25, 1015929), (27, 940675), (45, 564405), (75, 338643), (135, 188135), (191, 132975), (197, 128925), (225, 112881), (573, 44325), (591, 42975), (675, 37627), (955, 26595), (985, 25785), (1719, 14775), (1773, 14325), (2865, 8865), (2955, 8595), (4775, 5319), (4925, 5157)]