204097887

素因数分解:

$3^5\times 7^2\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 362758032

約数和(自身を除く): 158660145

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 81, 147, 183, 189, 243, 281, 427, 441, 549, 567, 843, 1281, 1323, 1647, 1701, 1967, 2529, 2989, 3843, 3969, 4941, 5901, 7587, 8967, 11529, 11907, 13769, 14823, 17141, 17703, 22761, 26901, 34587, 41307, 51423, 53109, 68283, 80703, 103761, 119987, 123921, 154269, 159327, 242109, 359961, 371763, 462807, 477981, 726327, 839909, 1079883, 1115289, 1388421, 2519727, 3239649, 3345867, 4165263, 7559181, 9718947, 22677543, 29156841, 68032629, 204097887]

約数ペア:

[(1, 204097887), (3, 68032629), (7, 29156841), (9, 22677543), (21, 9718947), (27, 7559181), (49, 4165263), (61, 3345867), (63, 3239649), (81, 2519727), (147, 1388421), (183, 1115289), (189, 1079883), (243, 839909), (281, 726327), (427, 477981), (441, 462807), (549, 371763), (567, 359961), (843, 242109), (1281, 159327), (1323, 154269), (1647, 123921), (1701, 119987), (1967, 103761), (2529, 80703), (2989, 68283), (3843, 53109), (3969, 51423), (4941, 41307), (5901, 34587), (7587, 26901), (8967, 22761), (11529, 17703), (11907, 17141), (13769, 14823)]