721082013

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{9199}}^1$

素因数の和:9301

約数の個数: 32

約数和(自身を含む): 1073088000

約数和(自身を除く): 352005987

約数列:

[1, 3, 17, 29, 51, 53, 87, 159, 493, 901, 1479, 1537, 2703, 4611, 9199, 26129, 27597, 78387, 156383, 266771, 469149, 487547, 800313, 1462641, 4535107, 8288299, 13605321, 14138863, 24864897, 42416589, 240360671, 721082013]

約数ペア:

[(1, 721082013), (3, 240360671), (17, 42416589), (29, 24864897), (51, 14138863), (53, 13605321), (87, 8288299), (159, 4535107), (493, 1462641), (901, 800313), (1479, 487547), (1537, 469149), (2703, 266771), (4611, 156383), (9199, 78387), (26129, 27597)]