25171245

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 48020544

約数和(自身を除く): 22849299

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 211, 241, 495, 633, 723, 1055, 1205, 1899, 2169, 2321, 2651, 3165, 3615, 6963, 7953, 9495, 10845, 11605, 13255, 20889, 23859, 34815, 39765, 50851, 104445, 119295, 152553, 254255, 457659, 559361, 762765, 1678083, 2288295, 2796805, 5034249, 8390415, 25171245]

約数ペア:

[(1, 25171245), (3, 8390415), (5, 5034249), (9, 2796805), (11, 2288295), (15, 1678083), (33, 762765), (45, 559361), (55, 457659), (99, 254255), (165, 152553), (211, 119295), (241, 104445), (495, 50851), (633, 39765), (723, 34815), (1055, 23859), (1205, 20889), (1899, 13255), (2169, 11605), (2321, 10845), (2651, 9495), (3165, 7953), (3615, 6963)]