27421515

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1787}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 53554176

約数和(自身を除く): 26132661

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 155, 165, 279, 341, 465, 495, 1023, 1395, 1705, 1787, 3069, 5115, 5361, 8935, 15345, 16083, 19657, 26805, 55397, 58971, 80415, 98285, 166191, 176913, 276985, 294855, 498573, 609367, 830955, 884565, 1828101, 2492865, 3046835, 5484303, 9140505, 27421515]

約数ペア:

[(1, 27421515), (3, 9140505), (5, 5484303), (9, 3046835), (11, 2492865), (15, 1828101), (31, 884565), (33, 830955), (45, 609367), (55, 498573), (93, 294855), (99, 276985), (155, 176913), (165, 166191), (279, 98285), (341, 80415), (465, 58971), (495, 55397), (1023, 26805), (1395, 19657), (1705, 16083), (1787, 15345), (3069, 8935), (5115, 5361)]