212347521

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{829}}^1$

素因数の和:1070

約数の個数: 32

約数和(自身を含む): 322704000

約数和(自身を除く): 110356479

約数列:

[1, 3, 9, 27, 53, 159, 179, 477, 537, 829, 1431, 1611, 2487, 4833, 7461, 9487, 22383, 28461, 43937, 85383, 131811, 148391, 256149, 395433, 445173, 1186299, 1335519, 4006557, 7864723, 23594169, 70782507, 212347521]

約数ペア:

[(1, 212347521), (3, 70782507), (9, 23594169), (27, 7864723), (53, 4006557), (159, 1335519), (179, 1186299), (477, 445173), (537, 395433), (829, 256149), (1431, 148391), (1611, 131811), (2487, 85383), (4833, 43937), (7461, 28461), (9487, 22383)]