221243295

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1487}}^1$

素因数の和:1624

約数の個数: 64

約数和(自身を含む): 439971840

約数和(自身を除く): 218728545

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 109, 195, 273, 327, 455, 545, 763, 1365, 1417, 1487, 1635, 2289, 3815, 4251, 4461, 7085, 7435, 9919, 10409, 11445, 19331, 21255, 22305, 29757, 31227, 49595, 52045, 57993, 96655, 135317, 148785, 156135, 162083, 289965, 405951, 486249, 676585, 810415, 1134581, 2029755, 2107079, 2431245, 3403743, 5672905, 6321237, 10535395, 14749553, 17018715, 31606185, 44248659, 73747765, 221243295]

約数ペア:

[(1, 221243295), (3, 73747765), (5, 44248659), (7, 31606185), (13, 17018715), (15, 14749553), (21, 10535395), (35, 6321237), (39, 5672905), (65, 3403743), (91, 2431245), (105, 2107079), (109, 2029755), (195, 1134581), (273, 810415), (327, 676585), (455, 486249), (545, 405951), (763, 289965), (1365, 162083), (1417, 156135), (1487, 148785), (1635, 135317), (2289, 96655), (3815, 57993), (4251, 52045), (4461, 49595), (7085, 31227), (7435, 29757), (9919, 22305), (10409, 21255), (11445, 19331)]