245364903

素因数分解:

$3^3\times 7^2\times {\mathrm{191}}^1\times {\mathrm{971}}^1$

素因数の和:1185

約数の個数: 48

約数和(自身を含む): 425502720

約数和(自身を除く): 180137817

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 191, 441, 573, 971, 1323, 1337, 1719, 2913, 4011, 5157, 6797, 8739, 9359, 12033, 20391, 26217, 28077, 36099, 47579, 61173, 84231, 142737, 183519, 185461, 252693, 428211, 556383, 1284633, 1298227, 1669149, 3894681, 5007447, 9087589, 11684043, 27262767, 35052129, 81788301, 245364903]

約数ペア:

[(1, 245364903), (3, 81788301), (7, 35052129), (9, 27262767), (21, 11684043), (27, 9087589), (49, 5007447), (63, 3894681), (147, 1669149), (189, 1298227), (191, 1284633), (441, 556383), (573, 428211), (971, 252693), (1323, 185461), (1337, 183519), (1719, 142737), (2913, 84231), (4011, 61173), (5157, 47579), (6797, 36099), (8739, 28077), (9359, 26217), (12033, 20391)]