1815511890213

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{135294127}}^1$

素因数の和:135294214

約数の個数: 32

約数和(自身を含む): 3117176709120

約数和(自身を除く): 1301664818907

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 13419, 135294127, 405882381, 947058889, 1217647143, 2841176667, 3652941429, 8523530001, 9605883017, 25570590003, 28817649051, 67241181119, 86452947153, 201723543357, 259358841459, 605170630071, 1815511890213]

約数ペア:

[(1, 1815511890213), (3, 605170630071), (7, 259358841459), (9, 201723543357), (21, 86452947153), (27, 67241181119), (63, 28817649051), (71, 25570590003), (189, 9605883017), (213, 8523530001), (497, 3652941429), (639, 2841176667), (1491, 1217647143), (1917, 947058889), (4473, 405882381), (13419, 135294127)]