273930237

素因数分解:

$3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 477275136

約数和(自身を除く): 203344899

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 73, 127, 147, 201, 219, 381, 441, 469, 511, 603, 657, 889, 1143, 1407, 1533, 2667, 3283, 3577, 4221, 4599, 4891, 6223, 8001, 8509, 9271, 9849, 10731, 14673, 18669, 25527, 27813, 29547, 32193, 34237, 44019, 56007, 59563, 64897, 76581, 83439, 102711, 178689, 194691, 239659, 308133, 416941, 454279, 536067, 584073, 621157, 718977, 1250823, 1362837, 1863471, 2156931, 3752469, 4088511, 4348099, 5590413, 13044297, 30436693, 39132891, 91310079, 273930237]

約数ペア:

[(1, 273930237), (3, 91310079), (7, 39132891), (9, 30436693), (21, 13044297), (49, 5590413), (63, 4348099), (67, 4088511), (73, 3752469), (127, 2156931), (147, 1863471), (201, 1362837), (219, 1250823), (381, 718977), (441, 621157), (469, 584073), (511, 536067), (603, 454279), (657, 416941), (889, 308133), (1143, 239659), (1407, 194691), (1533, 178689), (2667, 102711), (3283, 83439), (3577, 76581), (4221, 64897), (4599, 59563), (4891, 56007), (6223, 44019), (8001, 34237), (8509, 32193), (9271, 29547), (9849, 27813), (10731, 25527), (14673, 18669)]