856401273

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{149381}}^1$

素因数の和:149414

約数の個数: 36

約数和(自身を含む): 1549688868

約数和(自身を除く): 693287595

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5733, 149381, 448143, 1045667, 1344429, 1941953, 3137001, 5825859, 7319669, 9411003, 13593671, 17477577, 21959007, 40781013, 65877021, 95155697, 122343039, 285467091, 856401273]

約数ペア:

[(1, 856401273), (3, 285467091), (7, 122343039), (9, 95155697), (13, 65877021), (21, 40781013), (39, 21959007), (49, 17477577), (63, 13593671), (91, 9411003), (117, 7319669), (147, 5825859), (273, 3137001), (441, 1941953), (637, 1344429), (819, 1045667), (1911, 448143), (5733, 149381)]