123799995

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 248451840

約数和(自身を除く): 124651845

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 59, 81, 99, 135, 157, 165, 177, 243, 295, 297, 405, 471, 495, 531, 649, 785, 885, 891, 1215, 1413, 1485, 1593, 1727, 1947, 2355, 2655, 2673, 3245, 4239, 4455, 4779, 5181, 5841, 7065, 7965, 8635, 9263, 9735, 12717, 13365, 14337, 15543, 17523, 21195, 23895, 25905, 27789, 29205, 38151, 46315, 46629, 52569, 63585, 71685, 77715, 83367, 87615, 101893, 138945, 139887, 157707, 190755, 233145, 250101, 262845, 305679, 416835, 419661, 509465, 699435, 750303, 788535, 917037, 1250505, 1528395, 2098305, 2250909, 2751111, 3751515, 4585185, 8253333, 11254545, 13755555, 24759999, 41266665, 123799995]

約数ペア:

[(1, 123799995), (3, 41266665), (5, 24759999), (9, 13755555), (11, 11254545), (15, 8253333), (27, 4585185), (33, 3751515), (45, 2751111), (55, 2250909), (59, 2098305), (81, 1528395), (99, 1250505), (135, 917037), (157, 788535), (165, 750303), (177, 699435), (243, 509465), (295, 419661), (297, 416835), (405, 305679), (471, 262845), (495, 250101), (531, 233145), (649, 190755), (785, 157707), (885, 139887), (891, 138945), (1215, 101893), (1413, 87615), (1485, 83367), (1593, 77715), (1727, 71685), (1947, 63585), (2355, 52569), (2655, 46629), (2673, 46315), (3245, 38151), (4239, 29205), (4455, 27789), (4779, 25905), (5181, 23895), (5841, 21195), (7065, 17523), (7965, 15543), (8635, 14337), (9263, 13365), (9735, 12717)]