66541995

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6691}}^1$

素因数の和:6732

約数の個数: 48

約数和(自身を含む): 131537952

約数和(自身を除く): 64995957

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3315, 6691, 9945, 20073, 33455, 60219, 86983, 100365, 113747, 260949, 301095, 341241, 434915, 568735, 782847, 1023723, 1304745, 1478711, 1706205, 3914235, 4436133, 5118615, 7393555, 13308399, 22180665, 66541995]

約数ペア:

[(1, 66541995), (3, 22180665), (5, 13308399), (9, 7393555), (13, 5118615), (15, 4436133), (17, 3914235), (39, 1706205), (45, 1478711), (51, 1304745), (65, 1023723), (85, 782847), (117, 568735), (153, 434915), (195, 341241), (221, 301095), (255, 260949), (585, 113747), (663, 100365), (765, 86983), (1105, 60219), (1989, 33455), (3315, 20073), (6691, 9945)]