131509917

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1741}}^1$

素因数の和:1874

約数の個数: 48

約数和(自身を含む): 239141760

約数和(自身を除く): 107631843

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 109, 231, 327, 693, 763, 981, 1199, 1741, 2289, 3597, 5223, 6867, 8393, 10791, 12187, 15669, 19151, 25179, 36561, 57453, 75537, 109683, 134057, 172359, 189769, 402171, 569307, 1206513, 1328383, 1707921, 2087459, 3985149, 6262377, 11955447, 14612213, 18787131, 43836639, 131509917]

約数ペア:

[(1, 131509917), (3, 43836639), (7, 18787131), (9, 14612213), (11, 11955447), (21, 6262377), (33, 3985149), (63, 2087459), (77, 1707921), (99, 1328383), (109, 1206513), (231, 569307), (327, 402171), (693, 189769), (763, 172359), (981, 134057), (1199, 109683), (1741, 75537), (2289, 57453), (3597, 36561), (5223, 25179), (6867, 19151), (8393, 15669), (10791, 12187)]