31240809831

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{8191}}^1$

素因数の和:8321

約数の個数: 96

約数和(自身を含む): 55784243200

約数和(自身を除く): 24543433369

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 79, 121, 133, 209, 231, 237, 363, 399, 553, 627, 847, 869, 1463, 1501, 1659, 2299, 2541, 2607, 4389, 4503, 6083, 6897, 8191, 9559, 10507, 16093, 16511, 18249, 24573, 28677, 31521, 48279, 49533, 57337, 66913, 90101, 115577, 155629, 172011, 181621, 200739, 270303, 346731, 466887, 544863, 630707, 647089, 991111, 1089403, 1271347, 1711919, 1892121, 1941267, 2973333, 3268209, 3814041, 4529623, 5135757, 6937777, 7117979, 11983433, 12294691, 13588869, 18831109, 20813331, 21353937, 35950299, 36884073, 49825853, 56493327, 78297769, 86062837, 131817763, 135241601, 149477559, 234893307, 258188511, 395453289, 405724803, 548084383, 946691207, 1487657611, 1644253149, 2840073621, 4462972833, 10413603277, 31240809831]

約数ペア:

[(1, 31240809831), (3, 10413603277), (7, 4462972833), (11, 2840073621), (19, 1644253149), (21, 1487657611), (33, 946691207), (57, 548084383), (77, 405724803), (79, 395453289), (121, 258188511), (133, 234893307), (209, 149477559), (231, 135241601), (237, 131817763), (363, 86062837), (399, 78297769), (553, 56493327), (627, 49825853), (847, 36884073), (869, 35950299), (1463, 21353937), (1501, 20813331), (1659, 18831109), (2299, 13588869), (2541, 12294691), (2607, 11983433), (4389, 7117979), (4503, 6937777), (6083, 5135757), (6897, 4529623), (8191, 3814041), (9559, 3268209), (10507, 2973333), (16093, 1941267), (16511, 1892121), (18249, 1711919), (24573, 1271347), (28677, 1089403), (31521, 991111), (48279, 647089), (49533, 630707), (57337, 544863), (66913, 466887), (90101, 346731), (115577, 270303), (155629, 200739), (172011, 181621)]