178707789

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:313

約数の個数: 56

約数和(自身を含む): 292880280

約数和(自身を除く): 114172491

約数列:

[1, 3, 9, 13, 27, 39, 81, 109, 117, 173, 243, 327, 351, 519, 729, 981, 1053, 1417, 1557, 2249, 2943, 3159, 4251, 4671, 6747, 8829, 9477, 12753, 14013, 18857, 20241, 26487, 38259, 42039, 56571, 60723, 79461, 114777, 126117, 169713, 182169, 245141, 344331, 509139, 546507, 735423, 1032993, 1527417, 1639521, 2206269, 4582251, 6618807, 13746753, 19856421, 59569263, 178707789]

約数ペア:

[(1, 178707789), (3, 59569263), (9, 19856421), (13, 13746753), (27, 6618807), (39, 4582251), (81, 2206269), (109, 1639521), (117, 1527417), (173, 1032993), (243, 735423), (327, 546507), (351, 509139), (519, 344331), (729, 245141), (981, 182169), (1053, 169713), (1417, 126117), (1557, 114777), (2249, 79461), (2943, 60723), (3159, 56571), (4251, 42039), (4671, 38259), (6747, 26487), (8829, 20241), (9477, 18857), (12753, 14013)]