680913405

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{136319}}^1$

素因数の和:136370

約数の個数: 32

約数和(自身を含む): 1243238400

約数和(自身を除く): 562324995

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4995, 136319, 408957, 681595, 1226871, 2044785, 3680613, 5043803, 6134355, 15131409, 18403065, 25219015, 45394227, 75657045, 136182681, 226971135, 680913405]

約数ペア:

[(1, 680913405), (3, 226971135), (5, 136182681), (9, 75657045), (15, 45394227), (27, 25219015), (37, 18403065), (45, 15131409), (111, 6134355), (135, 5043803), (185, 3680613), (333, 2044785), (555, 1226871), (999, 681595), (1665, 408957), (4995, 136319)]