210828345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{109}}^2$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 421315776

約数和(自身を除く): 210487431

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 109, 169, 195, 273, 327, 455, 507, 545, 763, 845, 1183, 1365, 1417, 1635, 2289, 2535, 3549, 3815, 4251, 5915, 7085, 9919, 11445, 11881, 17745, 18421, 21255, 29757, 35643, 49595, 55263, 59405, 83167, 92105, 128947, 148785, 154453, 178215, 249501, 276315, 386841, 415835, 463359, 644735, 772265, 1081171, 1247505, 1934205, 2007889, 2316795, 3243513, 5405855, 6023667, 10039445, 14055223, 16217565, 30118335, 42165669, 70276115, 210828345]

約数ペア:

[(1, 210828345), (3, 70276115), (5, 42165669), (7, 30118335), (13, 16217565), (15, 14055223), (21, 10039445), (35, 6023667), (39, 5405855), (65, 3243513), (91, 2316795), (105, 2007889), (109, 1934205), (169, 1247505), (195, 1081171), (273, 772265), (327, 644735), (455, 463359), (507, 415835), (545, 386841), (763, 276315), (845, 249501), (1183, 178215), (1365, 154453), (1417, 148785), (1635, 128947), (2289, 92105), (2535, 83167), (3549, 59405), (3815, 55263), (4251, 49595), (5915, 35643), (7085, 29757), (9919, 21255), (11445, 18421), (11881, 17745)]