201521958911

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{751}}^1\times {\mathrm{8597}}^1$

素因数の和:9389

約数の個数: 40

約数和(自身を含む): 253545802944

約数和(自身を除く): 52023844033

約数列:

[1, 7, 13, 49, 91, 343, 637, 751, 2401, 4459, 5257, 8597, 9763, 31213, 36799, 60179, 68341, 111761, 257593, 421253, 478387, 782327, 1803151, 2948771, 3348709, 5476289, 6456347, 20641397, 23440963, 38334023, 45194429, 83932511, 268338161, 316361003, 587527577, 2214527021, 4112693039, 15501689147, 28788851273, 201521958911]

約数ペア:

[(1, 201521958911), (7, 28788851273), (13, 15501689147), (49, 4112693039), (91, 2214527021), (343, 587527577), (637, 316361003), (751, 268338161), (2401, 83932511), (4459, 45194429), (5257, 38334023), (8597, 23440963), (9763, 20641397), (31213, 6456347), (36799, 5476289), (60179, 3348709), (68341, 2948771), (111761, 1803151), (257593, 782327), (421253, 478387)]