12500865

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 25401600

約数和(自身を除く): 12900735

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 85, 117, 135, 153, 195, 221, 255, 351, 419, 459, 585, 663, 765, 1105, 1257, 1755, 1989, 2095, 2295, 3315, 3771, 5447, 5967, 6285, 7123, 9945, 11313, 16341, 18855, 21369, 27235, 29835, 35615, 49023, 56565, 64107, 81705, 92599, 106845, 147069, 192321, 245115, 277797, 320535, 462995, 735345, 833391, 961605, 1388985, 2500173, 4166955, 12500865]

約数ペア:

[(1, 12500865), (3, 4166955), (5, 2500173), (9, 1388985), (13, 961605), (15, 833391), (17, 735345), (27, 462995), (39, 320535), (45, 277797), (51, 245115), (65, 192321), (85, 147069), (117, 106845), (135, 92599), (153, 81705), (195, 64107), (221, 56565), (255, 49023), (351, 35615), (419, 29835), (459, 27235), (585, 21369), (663, 18855), (765, 16341), (1105, 11313), (1257, 9945), (1755, 7123), (1989, 6285), (2095, 5967), (2295, 5447), (3315, 3771)]