165728175

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 281648640

約数和(自身を除く): 115920465

約数列:

[1, 3, 5, 15, 25, 75, 79, 83, 237, 249, 337, 395, 415, 1011, 1185, 1245, 1685, 1975, 2075, 5055, 5925, 6225, 6557, 8425, 19671, 25275, 26623, 27971, 32785, 79869, 83913, 98355, 133115, 139855, 163925, 399345, 419565, 491775, 665575, 699275, 1996725, 2097825, 2209709, 6629127, 11048545, 33145635, 55242725, 165728175]

約数ペア:

[(1, 165728175), (3, 55242725), (5, 33145635), (15, 11048545), (25, 6629127), (75, 2209709), (79, 2097825), (83, 1996725), (237, 699275), (249, 665575), (337, 491775), (395, 419565), (415, 399345), (1011, 163925), (1185, 139855), (1245, 133115), (1685, 98355), (1975, 83913), (2075, 79869), (5055, 32785), (5925, 27971), (6225, 26623), (6557, 25275), (8425, 19671)]