28307265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1049}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 52012800

約数和(自身を除く): 23705535

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 257, 771, 1049, 1285, 1799, 3147, 3855, 5245, 5397, 7343, 8995, 15735, 22029, 26985, 36715, 110145, 269593, 808779, 1347965, 1887151, 4043895, 5661453, 9435755, 28307265]

約数ペア:

[(1, 28307265), (3, 9435755), (5, 5661453), (7, 4043895), (15, 1887151), (21, 1347965), (35, 808779), (105, 269593), (257, 110145), (771, 36715), (1049, 26985), (1285, 22029), (1799, 15735), (3147, 8995), (3855, 7343), (5245, 5397)]