420143763

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 663828480

約数和(自身を除く): 243684717

約数列:

[1, 3, 13, 17, 39, 47, 51, 97, 139, 141, 221, 291, 417, 611, 663, 799, 1261, 1649, 1807, 1833, 2363, 2397, 3783, 4559, 4947, 5421, 6533, 7089, 10387, 13483, 13677, 19599, 21437, 30719, 31161, 40449, 59267, 64311, 77503, 84929, 92157, 111061, 175279, 177801, 229211, 232509, 254787, 333183, 525837, 633701, 687633, 1007539, 1443793, 1901103, 2979743, 3022617, 4331379, 8238113, 8939229, 10772917, 24714339, 32318751, 140047921, 420143763]

約数ペア:

[(1, 420143763), (3, 140047921), (13, 32318751), (17, 24714339), (39, 10772917), (47, 8939229), (51, 8238113), (97, 4331379), (139, 3022617), (141, 2979743), (221, 1901103), (291, 1443793), (417, 1007539), (611, 687633), (663, 633701), (799, 525837), (1261, 333183), (1649, 254787), (1807, 232509), (1833, 229211), (2363, 177801), (2397, 175279), (3783, 111061), (4559, 92157), (4947, 84929), (5421, 77503), (6533, 64311), (7089, 59267), (10387, 40449), (13483, 31161), (13677, 30719), (19599, 21437)]