28627893

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{859}}^1$

素因数の和:918

約数の個数: 36

約数和(自身を含む): 49460320

約数和(自身を除く): 20832427

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 529, 859, 1449, 1587, 2577, 3703, 4761, 6013, 7731, 11109, 18039, 19757, 33327, 54117, 59271, 138299, 177813, 414897, 454411, 1244691, 1363233, 3180877, 4089699, 9542631, 28627893]

約数ペア:

[(1, 28627893), (3, 9542631), (7, 4089699), (9, 3180877), (21, 1363233), (23, 1244691), (63, 454411), (69, 414897), (161, 177813), (207, 138299), (483, 59271), (529, 54117), (859, 33327), (1449, 19757), (1587, 18039), (2577, 11109), (3703, 7731), (4761, 6013)]