81142995

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1\times {\mathrm{331}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 132906240

約数和(自身を除く): 51763245

約数列:

[1, 3, 5, 15, 59, 177, 277, 295, 331, 831, 885, 993, 1385, 1655, 4155, 4965, 16343, 19529, 49029, 58587, 81715, 91687, 97645, 245145, 275061, 292935, 458435, 1375305, 5409533, 16228599, 27047665, 81142995]

約数ペア:

[(1, 81142995), (3, 27047665), (5, 16228599), (15, 5409533), (59, 1375305), (177, 458435), (277, 292935), (295, 275061), (331, 245145), (831, 97645), (885, 91687), (993, 81715), (1385, 58587), (1655, 49029), (4155, 19529), (4965, 16343)]