19821105

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:575

約数の個数: 40

約数和(自身を含む): 35937000

約数和(自身を除く): 16115895

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 327, 405, 449, 545, 981, 1347, 1635, 2245, 2943, 4041, 4905, 6735, 8829, 12123, 14715, 20205, 36369, 44145, 48941, 60615, 146823, 181845, 244705, 440469, 734115, 1321407, 2202345, 3964221, 6607035, 19821105]

約数ペア:

[(1, 19821105), (3, 6607035), (5, 3964221), (9, 2202345), (15, 1321407), (27, 734115), (45, 440469), (81, 244705), (109, 181845), (135, 146823), (327, 60615), (405, 48941), (449, 44145), (545, 36369), (981, 20205), (1347, 14715), (1635, 12123), (2245, 8829), (2943, 6735), (4041, 4905)]