13850991

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 26557440

約数和(自身を除く): 12706449

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 79, 99, 121, 161, 207, 231, 237, 253, 363, 483, 553, 693, 711, 759, 847, 869, 1089, 1449, 1659, 1771, 1817, 2277, 2541, 2607, 2783, 4977, 5313, 5451, 6083, 7623, 7821, 8349, 9559, 12719, 15939, 16353, 18249, 19481, 19987, 25047, 28677, 38157, 54747, 58443, 59961, 66913, 86031, 114471, 139909, 175329, 179883, 200739, 219857, 419727, 602217, 659571, 1259181, 1538999, 1978713, 4616997, 13850991]

約数ペア:

[(1, 13850991), (3, 4616997), (7, 1978713), (9, 1538999), (11, 1259181), (21, 659571), (23, 602217), (33, 419727), (63, 219857), (69, 200739), (77, 179883), (79, 175329), (99, 139909), (121, 114471), (161, 86031), (207, 66913), (231, 59961), (237, 58443), (253, 54747), (363, 38157), (483, 28677), (553, 25047), (693, 19987), (711, 19481), (759, 18249), (847, 16353), (869, 15939), (1089, 12719), (1449, 9559), (1659, 8349), (1771, 7821), (1817, 7623), (2277, 6083), (2541, 5451), (2607, 5313), (2783, 4977)]