78412755

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^2$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 136946592

約数和(自身を除く): 58533837

約数列:

[1, 3, 5, 15, 17, 51, 61, 71, 85, 183, 213, 255, 305, 355, 915, 1037, 1065, 1207, 3111, 3621, 4331, 5041, 5185, 6035, 12993, 15123, 15555, 18105, 21655, 25205, 64965, 73627, 75615, 85697, 220881, 257091, 307501, 368135, 428485, 922503, 1104405, 1285455, 1537505, 4612515, 5227517, 15682551, 26137585, 78412755]

約数ペア:

[(1, 78412755), (3, 26137585), (5, 15682551), (15, 5227517), (17, 4612515), (51, 1537505), (61, 1285455), (71, 1104405), (85, 922503), (183, 428485), (213, 368135), (255, 307501), (305, 257091), (355, 220881), (915, 85697), (1037, 75615), (1065, 73627), (1207, 64965), (3111, 25205), (3621, 21655), (4331, 18105), (5041, 15555), (5185, 15123), (6035, 12993)]