21139967925

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1842263}}^1$

素因数の和:1842299

約数の個数: 48

約数和(自身を含む): 41119332480

約数和(自身を除く): 19979364555

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 2295, 3825, 11475, 1842263, 5526789, 9211315, 16580367, 27633945, 31318471, 46056575, 49741101, 82901835, 93955413, 138169725, 156592355, 248705505, 281866239, 414509175, 469777065, 782961775, 845598717, 1243527525, 1409331195, 2348885325, 4227993585, 7046655975, 21139967925]

約数ペア:

[(1, 21139967925), (3, 7046655975), (5, 4227993585), (9, 2348885325), (15, 1409331195), (17, 1243527525), (25, 845598717), (27, 782961775), (45, 469777065), (51, 414509175), (75, 281866239), (85, 248705505), (135, 156592355), (153, 138169725), (225, 93955413), (255, 82901835), (425, 49741101), (459, 46056575), (675, 31318471), (765, 27633945), (1275, 16580367), (2295, 9211315), (3825, 5526789), (11475, 1842263)]