81126810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20963}}^1$

素因数の和:21019

約数の個数: 48

約数和(自身を含む): 215845344

約数和(自身を除く): 134718534

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 20963, 41926, 62889, 104815, 125778, 188667, 209630, 314445, 377334, 628890, 901409, 943335, 1802818, 1886670, 2704227, 4507045, 5408454, 8112681, 9014090, 13521135, 16225362, 27042270, 40563405, 81126810]

約数ペア:

[(1, 81126810), (2, 40563405), (3, 27042270), (5, 16225362), (6, 13521135), (9, 9014090), (10, 8112681), (15, 5408454), (18, 4507045), (30, 2704227), (43, 1886670), (45, 1802818), (86, 943335), (90, 901409), (129, 628890), (215, 377334), (258, 314445), (387, 209630), (430, 188667), (645, 125778), (774, 104815), (1290, 62889), (1935, 41926), (3870, 20963)]