8581211199

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1987}}^1$

素因数の和:2178

約数の個数: 80

約数和(自身を含む): 14479065216

約数和(自身を除く): 5897854017

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 131, 297, 333, 393, 407, 891, 999, 1179, 1221, 1441, 1987, 2997, 3537, 3663, 4323, 4847, 5961, 10611, 10989, 12969, 14541, 17883, 21857, 32967, 38907, 43623, 53317, 53649, 65571, 73519, 116721, 130869, 159951, 160947, 196713, 220557, 260297, 392607, 479853, 590139, 661671, 780891, 808709, 1439559, 1770417, 1985013, 2342673, 2426127, 2863267, 4318677, 5955039, 7028019, 7278381, 8589801, 9630989, 21084057, 21835143, 25769403, 28892967, 65505429, 77308209, 86678901, 105940879, 231924627, 260036703, 317822637, 780110109, 953467911, 2860403733, 8581211199]

約数ペア:

[(1, 8581211199), (3, 2860403733), (9, 953467911), (11, 780110109), (27, 317822637), (33, 260036703), (37, 231924627), (81, 105940879), (99, 86678901), (111, 77308209), (131, 65505429), (297, 28892967), (333, 25769403), (393, 21835143), (407, 21084057), (891, 9630989), (999, 8589801), (1179, 7278381), (1221, 7028019), (1441, 5955039), (1987, 4318677), (2997, 2863267), (3537, 2426127), (3663, 2342673), (4323, 1985013), (4847, 1770417), (5961, 1439559), (10611, 808709), (10989, 780891), (12969, 661671), (14541, 590139), (17883, 479853), (21857, 392607), (32967, 260297), (38907, 220557), (43623, 196713), (53317, 160947), (53649, 159951), (65571, 130869), (73519, 116721)]