64847979

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20183}}^1$

素因数の和:20216

約数の個数: 32

約数和(自身を含む): 116259840

約数和(自身を除く): 51411861

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 20183, 60549, 141281, 181647, 343111, 423843, 544941, 1029333, 1271529, 2401777, 3087999, 3814587, 7205331, 9263997, 21615993, 64847979]

約数ペア:

[(1, 64847979), (3, 21615993), (7, 9263997), (9, 7205331), (17, 3814587), (21, 3087999), (27, 2401777), (51, 1271529), (63, 1029333), (119, 544941), (153, 423843), (189, 343111), (357, 181647), (459, 141281), (1071, 60549), (3213, 20183)]