30342221

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 42134400

約数和(自身を除く): 11792179

約数列:

[1, 7, 13, 19, 23, 49, 91, 109, 133, 161, 247, 299, 437, 637, 763, 931, 1127, 1417, 1729, 2071, 2093, 2507, 3059, 5341, 5681, 9919, 12103, 14497, 14651, 17549, 21413, 26923, 32591, 39767, 47633, 69433, 101479, 122843, 188461, 228137, 278369, 333431, 619229, 1319227, 1596959, 2334017, 4334603, 30342221]

約数ペア:

[(1, 30342221), (7, 4334603), (13, 2334017), (19, 1596959), (23, 1319227), (49, 619229), (91, 333431), (109, 278369), (133, 228137), (161, 188461), (247, 122843), (299, 101479), (437, 69433), (637, 47633), (763, 39767), (931, 32591), (1127, 26923), (1417, 21413), (1729, 17549), (2071, 14651), (2093, 14497), (2507, 12103), (3059, 9919), (5341, 5681)]