85821981

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 141396480

約数和(自身を除く): 55574499

約数列:

[1, 3, 7, 21, 31, 37, 49, 93, 111, 147, 217, 259, 509, 651, 777, 1147, 1519, 1527, 1813, 3441, 3563, 4557, 5439, 8029, 10689, 15779, 18833, 24087, 24941, 47337, 56203, 56499, 74823, 110453, 131831, 168609, 331359, 395493, 583823, 773171, 922817, 1751469, 2319513, 2768451, 4086761, 12260283, 28607327, 85821981]

約数ペア:

[(1, 85821981), (3, 28607327), (7, 12260283), (21, 4086761), (31, 2768451), (37, 2319513), (49, 1751469), (93, 922817), (111, 773171), (147, 583823), (217, 395493), (259, 331359), (509, 168609), (651, 131831), (777, 110453), (1147, 74823), (1519, 56499), (1527, 56203), (1813, 47337), (3441, 24941), (3563, 24087), (4557, 18833), (5439, 15779), (8029, 10689)]