27281485

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 42550272

約数和(自身を除く): 15268787

約数列:

[1, 5, 7, 11, 35, 49, 53, 55, 77, 191, 245, 265, 371, 385, 539, 583, 955, 1337, 1855, 2101, 2597, 2695, 2915, 4081, 6685, 9359, 10123, 10505, 12985, 14707, 20405, 28567, 46795, 50615, 70861, 73535, 102949, 111353, 142835, 354305, 496027, 514745, 556765, 779471, 2480135, 3897355, 5456297, 27281485]

約数ペア:

[(1, 27281485), (5, 5456297), (7, 3897355), (11, 2480135), (35, 779471), (49, 556765), (53, 514745), (55, 496027), (77, 354305), (191, 142835), (245, 111353), (265, 102949), (371, 73535), (385, 70861), (539, 50615), (583, 46795), (955, 28567), (1337, 20405), (1855, 14707), (2101, 12985), (2597, 10505), (2695, 10123), (2915, 9359), (4081, 6685)]