27515705

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 42353280

約数和(自身を除く): 14837575

約数列:

[1, 5, 7, 19, 23, 35, 49, 95, 115, 133, 161, 245, 257, 437, 665, 805, 931, 1127, 1285, 1799, 2185, 3059, 4655, 4883, 5635, 5911, 8995, 12593, 15295, 21413, 24415, 29555, 34181, 41377, 62965, 107065, 112309, 170905, 206885, 239267, 289639, 561545, 786163, 1196335, 1448195, 3930815, 5503141, 27515705]

約数ペア:

[(1, 27515705), (5, 5503141), (7, 3930815), (19, 1448195), (23, 1196335), (35, 786163), (49, 561545), (95, 289639), (115, 239267), (133, 206885), (161, 170905), (245, 112309), (257, 107065), (437, 62965), (665, 41377), (805, 34181), (931, 29555), (1127, 24415), (1285, 21413), (1799, 15295), (2185, 12593), (3059, 8995), (4655, 5911), (4883, 5635)]