51157113

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 80111616

約数和(自身を除く): 28954503

約数列:

[1, 3, 7, 21, 67, 103, 201, 309, 353, 469, 721, 1059, 1407, 2163, 2471, 6901, 7413, 20703, 23651, 36359, 48307, 70953, 109077, 144921, 165557, 254513, 496671, 763539, 2436053, 7308159, 17052371, 51157113]

約数ペア:

[(1, 51157113), (3, 17052371), (7, 7308159), (21, 2436053), (67, 763539), (103, 496671), (201, 254513), (309, 165557), (353, 144921), (469, 109077), (721, 70953), (1059, 48307), (1407, 36359), (2163, 23651), (2471, 20703), (6901, 7413)]