205927785

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{607}}^1$

素因数の和:987

約数の個数: 64

約数和(自身を含む): 420249600

約数和(自身を除く): 214321815

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 359, 607, 945, 1077, 1795, 1821, 2513, 3035, 3231, 4249, 5385, 5463, 7539, 9105, 9693, 12565, 12747, 16155, 16389, 21245, 22617, 27315, 37695, 38241, 48465, 63735, 67851, 81945, 113085, 114723, 191205, 217913, 339255, 573615, 653739, 1089565, 1525391, 1961217, 3268695, 4576173, 5883651, 7626955, 9806085, 13728519, 22880865, 29418255, 41185557, 68642595, 205927785]

約数ペア:

[(1, 205927785), (3, 68642595), (5, 41185557), (7, 29418255), (9, 22880865), (15, 13728519), (21, 9806085), (27, 7626955), (35, 5883651), (45, 4576173), (63, 3268695), (105, 1961217), (135, 1525391), (189, 1089565), (315, 653739), (359, 573615), (607, 339255), (945, 217913), (1077, 191205), (1795, 114723), (1821, 113085), (2513, 81945), (3035, 67851), (3231, 63735), (4249, 48465), (5385, 38241), (5463, 37695), (7539, 27315), (9105, 22617), (9693, 21245), (12565, 16389), (12747, 16155)]