28073715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1237}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 48133440

約数和(自身を除く): 20059725

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 445, 1237, 1335, 1513, 3711, 4539, 6185, 7565, 18555, 21029, 22695, 63087, 105145, 110093, 315435, 330279, 550465, 1651395, 1871581, 5614743, 9357905, 28073715]

約数ペア:

[(1, 28073715), (3, 9357905), (5, 5614743), (15, 1871581), (17, 1651395), (51, 550465), (85, 330279), (89, 315435), (255, 110093), (267, 105145), (445, 63087), (1237, 22695), (1335, 21029), (1513, 18555), (3711, 7565), (4539, 6185)]