156561489

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 265574400

約数和(自身を除く): 109012911

約数列:

[1, 3, 7, 9, 21, 63, 79, 83, 237, 249, 379, 553, 581, 711, 747, 1137, 1659, 1743, 2653, 3411, 4977, 5229, 6557, 7959, 19671, 23877, 29941, 31457, 45899, 59013, 89823, 94371, 137697, 209587, 220199, 269469, 283113, 413091, 628761, 660597, 1886283, 1981791, 2485103, 7455309, 17395721, 22365927, 52187163, 156561489]

約数ペア:

[(1, 156561489), (3, 52187163), (7, 22365927), (9, 17395721), (21, 7455309), (63, 2485103), (79, 1981791), (83, 1886283), (237, 660597), (249, 628761), (379, 413091), (553, 283113), (581, 269469), (711, 220199), (747, 209587), (1137, 137697), (1659, 94371), (1743, 89823), (2653, 59013), (3411, 45899), (4977, 31457), (5229, 29941), (6557, 23877), (7959, 19671)]