278320965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{9091}}^1$

素因数の和:9269

約数の個数: 32

約数和(自身を含む): 482676096

約数和(自身を除く): 204355131

約数列:

[1, 3, 5, 13, 15, 39, 65, 157, 195, 471, 785, 2041, 2355, 6123, 9091, 10205, 27273, 30615, 45455, 118183, 136365, 354549, 590915, 1427287, 1772745, 4281861, 7136435, 18554731, 21409305, 55664193, 92773655, 278320965]

約数ペア:

[(1, 278320965), (3, 92773655), (5, 55664193), (13, 21409305), (15, 18554731), (39, 7136435), (65, 4281861), (157, 1772745), (195, 1427287), (471, 590915), (785, 354549), (2041, 136365), (2355, 118183), (6123, 45455), (9091, 30615), (10205, 27273)]