980609895

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{142427}}^1$

素因数の和:142461

約数の個数: 40

約数和(自身を含む): 1861249104

約数和(自身を除く): 880639209

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 142427, 427281, 712135, 1281843, 2136405, 2421259, 3845529, 6409215, 7263777, 11536587, 12106295, 19227645, 21791331, 36318885, 57682935, 65373993, 108956655, 196121979, 326869965, 980609895]

約数ペア:

[(1, 980609895), (3, 326869965), (5, 196121979), (9, 108956655), (15, 65373993), (17, 57682935), (27, 36318885), (45, 21791331), (51, 19227645), (81, 12106295), (85, 11536587), (135, 7263777), (153, 6409215), (255, 3845529), (405, 2421259), (459, 2136405), (765, 1281843), (1377, 712135), (2295, 427281), (6885, 142427)]