12881385

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 24867648

約数和(自身を除く): 11986263

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 53, 55, 99, 159, 165, 265, 477, 491, 495, 583, 795, 1473, 1749, 2385, 2455, 2915, 4419, 5247, 5401, 7365, 8745, 16203, 22095, 26023, 26235, 27005, 48609, 78069, 81015, 130115, 234207, 243045, 286253, 390345, 858759, 1171035, 1431265, 2576277, 4293795, 12881385]

約数ペア:

[(1, 12881385), (3, 4293795), (5, 2576277), (9, 1431265), (11, 1171035), (15, 858759), (33, 390345), (45, 286253), (53, 243045), (55, 234207), (99, 130115), (159, 81015), (165, 78069), (265, 48609), (477, 27005), (491, 26235), (495, 26023), (583, 22095), (795, 16203), (1473, 8745), (1749, 7365), (2385, 5401), (2455, 5247), (2915, 4419)]