28389609

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 40

約数和(自身を含む): 45868680

約数和(自身を除く): 17479071

約数列:

[1, 3, 9, 17, 27, 51, 53, 81, 153, 159, 389, 459, 477, 901, 1167, 1377, 1431, 2703, 3501, 4293, 6613, 8109, 10503, 19839, 20617, 24327, 31509, 59517, 61851, 72981, 178551, 185553, 350489, 535653, 556659, 1051467, 1669977, 3154401, 9463203, 28389609]

約数ペア:

[(1, 28389609), (3, 9463203), (9, 3154401), (17, 1669977), (27, 1051467), (51, 556659), (53, 535653), (81, 350489), (153, 185553), (159, 178551), (389, 72981), (459, 61851), (477, 59517), (901, 31509), (1167, 24327), (1377, 20617), (1431, 19839), (2703, 10503), (3501, 8109), (4293, 6613)]