206860455

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{421}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 367342560

約数和(自身を除く): 160482105

約数列:

[1, 3, 5, 9, 15, 45, 61, 179, 183, 305, 421, 537, 549, 895, 915, 1263, 1611, 2105, 2685, 2745, 3789, 6315, 8055, 10919, 18945, 25681, 32757, 54595, 75359, 77043, 98271, 128405, 163785, 226077, 231129, 376795, 385215, 491355, 678231, 1130385, 1155645, 3391155, 4596899, 13790697, 22984495, 41372091, 68953485, 206860455]

約数ペア:

[(1, 206860455), (3, 68953485), (5, 41372091), (9, 22984495), (15, 13790697), (45, 4596899), (61, 3391155), (179, 1155645), (183, 1130385), (305, 678231), (421, 491355), (537, 385215), (549, 376795), (895, 231129), (915, 226077), (1263, 163785), (1611, 128405), (2105, 98271), (2685, 77043), (2745, 75359), (3789, 54595), (6315, 32757), (8055, 25681), (10919, 18945)]