81775695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 147308544

約数和(自身を除く): 65532849

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 73, 85, 115, 191, 219, 255, 345, 365, 391, 573, 955, 1095, 1173, 1241, 1679, 1955, 2865, 3247, 3723, 4393, 5037, 5865, 6205, 8395, 9741, 13179, 13943, 16235, 18615, 21965, 25185, 28543, 41829, 48705, 65895, 69715, 74681, 85629, 142715, 209145, 224043, 237031, 320689, 373405, 428145, 711093, 962067, 1120215, 1185155, 1603445, 3555465, 4810335, 5451713, 16355139, 27258565, 81775695]

約数ペア:

[(1, 81775695), (3, 27258565), (5, 16355139), (15, 5451713), (17, 4810335), (23, 3555465), (51, 1603445), (69, 1185155), (73, 1120215), (85, 962067), (115, 711093), (191, 428145), (219, 373405), (255, 320689), (345, 237031), (365, 224043), (391, 209145), (573, 142715), (955, 85629), (1095, 74681), (1173, 69715), (1241, 65895), (1679, 48705), (1955, 41829), (2865, 28543), (3247, 25185), (3723, 21965), (4393, 18615), (5037, 16235), (5865, 13943), (6205, 13179), (8395, 9741)]