138799275

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{379}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 243139200

約数和(自身を除く): 104339925

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 257, 285, 379, 475, 771, 1137, 1285, 1425, 1895, 3855, 4883, 5685, 6425, 7201, 9475, 14649, 19275, 21603, 24415, 28425, 36005, 73245, 97403, 108015, 122075, 180025, 292209, 366225, 487015, 540075, 1461045, 1850657, 2435075, 5551971, 7305225, 9253285, 27759855, 46266425, 138799275]

約数ペア:

[(1, 138799275), (3, 46266425), (5, 27759855), (15, 9253285), (19, 7305225), (25, 5551971), (57, 2435075), (75, 1850657), (95, 1461045), (257, 540075), (285, 487015), (379, 366225), (475, 292209), (771, 180025), (1137, 122075), (1285, 108015), (1425, 97403), (1895, 73245), (3855, 36005), (4883, 28425), (5685, 24415), (6425, 21603), (7201, 19275), (9475, 14649)]