20970361917

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{258119}}^1$

素因数の和:258207

約数の個数: 40

約数和(自身を含む): 33731121600

約数和(自身を除く): 12760759683

約数列:

[1, 3, 9, 17, 27, 51, 59, 81, 153, 177, 459, 531, 1003, 1377, 1593, 3009, 4779, 9027, 27081, 81243, 258119, 774357, 2323071, 4388023, 6969213, 13164069, 15229021, 20907639, 39492207, 45687063, 118476621, 137061189, 258893357, 355429863, 411183567, 776680071, 1233550701, 2330040213, 6990120639, 20970361917]

約数ペア:

[(1, 20970361917), (3, 6990120639), (9, 2330040213), (17, 1233550701), (27, 776680071), (51, 411183567), (59, 355429863), (81, 258893357), (153, 137061189), (177, 118476621), (459, 45687063), (531, 39492207), (1003, 20907639), (1377, 15229021), (1593, 13164069), (3009, 6969213), (4779, 4388023), (9027, 2323071), (27081, 774357), (81243, 258119)]