201718890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{747107}}^1$

素因数の和:747123

約数の個数: 32

約数和(自身を含む): 537917760

約数和(自身を除く): 336198870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 747107, 1494214, 2241321, 3735535, 4482642, 6723963, 7471070, 11206605, 13447926, 20171889, 22413210, 33619815, 40343778, 67239630, 100859445, 201718890]

約数ペア:

[(1, 201718890), (2, 100859445), (3, 67239630), (5, 40343778), (6, 33619815), (9, 22413210), (10, 20171889), (15, 13447926), (18, 11206605), (27, 7471070), (30, 6723963), (45, 4482642), (54, 3735535), (90, 2241321), (135, 1494214), (270, 747107)]